40632653928 has 64 divisors (see below), whose sum is σ = 102199219200. Its totient is φ = 13461995520.

The previous prime is 40632653909. The next prime is 40632653933. The reversal of 40632653928 is 82935623604.

It is a super-2 number, since 2×40632653928² (a number of 22 digits) contains 22 as substring.

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, 6822600 + ... + 6828552.

It is an arithmetic number, because the mean of its divisors is an integer number (1596862800).

Almost surely, 2^40632653928 is an apocalyptic number.

It is an amenable number.

40632653928 is an abundant number, since it is smaller than the sum of its proper divisors (61566565272).

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

40632653928 is a wasteful number, since it uses less digits than its factorization.

40632653928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 40632653928 in words is "forty billion, six hundred thirty-two million, six hundred fifty-three thousand, nine hundred twenty-eight".