40401516432 has 40 divisors (see below), whose sum is σ = 105010914784. Its totient is φ = 13384548864.

The previous prime is 40401516409. The next prime is 40401516461. The reversal of 40401516432 is 23461510404.

It is a self number, because there is not a number n which added to its sum of digits gives 40401516432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574073 + ... + 2589720.

Almost surely, 2^40401516432 is an apocalyptic number.

It is an amenable number.

40401516432 is an abundant number, since it is smaller than the sum of its proper divisors (64609398352).

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

40401516432 is a wasteful number, since it uses less digits than its factorization.

40401516432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163967 (or 5163961 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 40401516432 in words is "forty billion, four hundred one million, five hundred sixteen thousand, four hundred thirty-two".