40432506500 has 24 divisors (see below), whose sum is σ = 88304595288. Its totient is φ = 16173002400.

The previous prime is 40432506487. The next prime is 40432506523. The reversal of 40432506500 is 560523404.

40432506500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1755777604 + 38676728896 = 41902^2 + 196664^2 .

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, 40432007 + ... + 40433006.

It is an arithmetic number, because the mean of its divisors is an integer number (3679358137).

Almost surely, 2^40432506500 is an apocalyptic number.

It is an amenable number.

40432506500 is an abundant number, since it is smaller than the sum of its proper divisors (47872088788).

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

40432506500 is a wasteful number, since it uses less digits than its factorization.

40432506500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80865032 (or 80865020 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40432506500 in words is "forty billion, four hundred thirty-two million, five hundred six thousand, five hundred".