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404490565122 = 23797301932887
BaseRepresentation
bin1011110001011011000…
…01000011011000000010
31102200001122100201021120
411320231201003120002
523111344041040442
6505453112333110
741136440034420
oct5705541033002
91380048321246
10404490565122
111465a8419446
12664870a4196
132c1b2a90577
1415812734110
15a7c5c714ec
hex5e2d843602

404490565122 has 64 divisors (see below), whose sum is σ = 934419118080. Its totient is φ = 114335940096.

The previous prime is 404490565103. The next prime is 404490565133. The reversal of 404490565122 is 221565094404.

It is a super-2 number, since 2×4044905651222 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12282963 + ... + 12315849.

It is an arithmetic number, because the mean of its divisors is an integer number (14600298720).

Almost surely, 2404490565122 is an apocalyptic number.

404490565122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 404490565122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467209559040).

404490565122 is an abundant number, since it is smaller than the sum of its proper divisors (529928552958).

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

404490565122 is a wasteful number, since it uses less digits than its factorization.

404490565122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36015.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 404490565122 in words is "four hundred four billion, four hundred ninety million, five hundred sixty-five thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 97 194 291 582 679 1358 2037 3019 4074 6038 9057 18114 21133 32887 42266 63399 65774 98661 126798 197322 230209 292843 460418 585686 690627 878529 1381254 1757058 2049901 3190039 4099802 6149703 6380078 9570117 12299406 19140234 22330273 44660546 66990819 99285853 133981638 198571706 297857559 595715118 695000971 1390001942 2085002913 4170005826 9630727741 19261455482 28892183223 57784366446 67415094187 134830188374 202245282561 404490565122