40512502544 has 20 divisors (see below), whose sum is σ = 82624183440. Its totient is φ = 19190132640.

The previous prime is 40512502523. The next prime is 40512502559. The reversal of 40512502544 is 44520521504.

It is a self number, because there is not a number n which added to its sum of digits gives 40512502544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66632102 + ... + 66632709.

It is an arithmetic number, because the mean of its divisors is an integer number (4131209172).

Almost surely, 2^40512502544 is an apocalyptic number.

It is an amenable number.

40512502544 is an abundant number, since it is smaller than the sum of its proper divisors (42111680896).

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

40512502544 is a wasteful number, since it uses less digits than its factorization.

40512502544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133264838 (or 133264832 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 40512502544 in words is "forty billion, five hundred twelve million, five hundred two thousand, five hundred forty-four".