451031560256544 has 96 divisors (see below), whose sum is σ = 1196177874232320. Its totient is φ = 148792140767232.

The previous prime is 451031560256521. The next prime is 451031560256561. The reversal of 451031560256544 is 445652065130154.

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

It is a super-2 number, since 2×451031560256544² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946354497 + ... + 946830975.

It is an arithmetic number, because the mean of its divisors is an integer number (12460186189920).

Almost surely, 2^{451031560256544} is an apocalyptic number.

It is an amenable number.

451031560256544 is an abundant number, since it is smaller than the sum of its proper divisors (745146313975776).

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

451031560256544 is a wasteful number, since it uses less digits than its factorization.

451031560256544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578242 (or 578234 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 451031560256544 in words is "four hundred fifty-one trillion, thirty-one billion, five hundred sixty million, two hundred fifty-six thousand, five hundred forty-four".