45401407656 has 64 divisors (see below), whose sum is σ = 125920742400. Its totient is φ = 13524811200.

The previous prime is 45401407633. The next prime is 45401407669. The reversal of 45401407656 is 65670410454.

It is a super-2 number, since 2×45401407656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441840 + ... + 1472991.

It is an arithmetic number, because the mean of its divisors is an integer number (1967511600).

Almost surely, 2^45401407656 is an apocalyptic number.

It is an amenable number.

45401407656 is an abundant number, since it is smaller than the sum of its proper divisors (80519334744).

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

45401407656 is a wasteful number, since it uses less digits than its factorization.

45401407656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914910 (or 2914906 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 45401407656 in words is "forty-five billion, four hundred one million, four hundred seven thousand, six hundred fifty-six".