40451045432 has 64 divisors (see below), whose sum is σ = 87280079040. Its totient is φ = 17216640000.

The previous prime is 40451045413. The next prime is 40451045483. The reversal of 40451045432 is 23454015404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6627182 + ... + 6633282.

It is an arithmetic number, because the mean of its divisors is an integer number (1363751235).

Almost surely, 2^40451045432 is an apocalyptic number.

It is an amenable number.

40451045432 is an abundant number, since it is smaller than the sum of its proper divisors (46829033608).

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

40451045432 is a wasteful number, since it uses less digits than its factorization.

40451045432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912 (or 6908 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 40451045432 in words is "forty billion, four hundred fifty-one million, forty-five thousand, four hundred thirty-two".