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40304414040 = 23351130533647
BaseRepresentation
bin100101100010010101…
…001000110101011000
310212000212212101001120
4211202111020311120
51130020412222130
630303211245240
72624531603202
oct454225106530
9125025771046
1040304414040
11161028778a0
127989a49820
133a54167507
141d44bad772
1510ad5b8910
hex962548d58

40304414040 has 64 divisors (see below), whose sum is σ = 131905359360. Its totient is φ = 9770766720.

The previous prime is 40304413969. The next prime is 40304414047. The reversal of 40304414040 is 4041440304.

It is a super-2 number, since 2×403044140402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40304414040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304414047) 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, 15265504 + ... + 15268143.

It is an arithmetic number, because the mean of its divisors is an integer number (2061021240).

Almost surely, 240304414040 is an apocalyptic number.

40304414040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40304414040 is an abundant number, since it is smaller than the sum of its proper divisors (91600945320).

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

40304414040 is a wasteful number, since it uses less digits than its factorization.

40304414040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30533672 (or 30533668 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40304414040 its reverse (4041440304), we get a palindrome (44345854344).

The spelling of 40304414040 in words is "forty billion, three hundred four million, four hundred fourteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 30533647 61067294 91600941 122134588 152668235 183201882 244269176 305336470 335870117 366403764 458004705 610672940 671740234 732807528 916009410 1007610351 1221345880 1343480468 1679350585 1832018820 2015220702 2686960936 3358701170 3664037640 4030441404 5038051755 6717402340 8060882808 10076103510 13434804680 20152207020 40304414040