40328988972 has 24 divisors (see below), whose sum is σ = 94231872000. Its totient is φ = 13424296656.

The previous prime is 40328988967. The next prime is 40328988989. The reversal of 40328988972 is 27988982304.

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 7 ways as a sum of consecutive naturals, for example, 2328472 + ... + 2345727.

It is an arithmetic number, because the mean of its divisors is an integer number (3926328000).

Almost surely, 2^40328988972 is an apocalyptic number.

It is an amenable number.

40328988972 is an abundant number, since it is smaller than the sum of its proper divisors (53902883028).

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

40328988972 is a wasteful number, since it uses less digits than its factorization.

40328988972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674925 (or 4674923 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 40328988972 in words is "forty billion, three hundred twenty-eight million, nine hundred eighty-eight thousand, nine hundred seventy-two".