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1404442450272 = 253671193918289
BaseRepresentation
bin10100011011111111010…
…010110001100101100000
311222021010000020122121010
4110123333102301211200
5141002244231402042
62553105243500520
7203316251600061
oct24337722614540
94867100218533
101404442450272
114a16911709a4
121a8234b27740
13a25910b0a84
144bd92614568
15267ed18159c
hex146ff4b1960

1404442450272 has 96 divisors (see below), whose sum is σ = 3742204233600. Its totient is φ = 461096368128.

The previous prime is 1404442450247. The next prime is 1404442450273. The reversal of 1404442450272 is 2720542444041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×14044424502722 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1404442450272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404442450273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76782504 + ... + 76800792.

It is an arithmetic number, because the mean of its divisors is an integer number (38981294100).

Almost surely, 21404442450272 is an apocalyptic number.

1404442450272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404442450272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871102116800).

1404442450272 is an abundant number, since it is smaller than the sum of its proper divisors (2337761783328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404442450272 is a wasteful number, since it uses less digits than its factorization.

1404442450272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30308 (or 30300 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 39.

The spelling of 1404442450272 in words is "one trillion, four hundred four billion, four hundred forty-two million, four hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 67 96 134 201 268 402 536 804 1072 1608 2144 3216 6432 11939 18289 23878 35817 36578 47756 54867 71634 73156 95512 109734 143268 146312 191024 219468 286536 292624 382048 438936 573072 585248 799913 877872 1146144 1225363 1599826 1755744 2399739 2450726 3199652 3676089 4799478 4901452 6399304 7352178 9598956 9802904 12798608 14704356 19197912 19605808 25597216 29408712 38395824 39211616 58817424 76791648 117634848 218352371 436704742 655057113 873409484 1310114226 1746818968 2620228452 3493637936 5240456904 6987275872 10480913808 14629608857 20961827616 29259217714 43888826571 58518435428 87777653142 117036870856 175555306284 234073741712 351110612568 468147483424 702221225136 1404442450272