39504720328 has 64 divisors (see below), whose sum is σ = 79447858560. Its totient is φ = 18367405056.

The previous prime is 39504720313. The next prime is 39504720331. The reversal of 39504720328 is 82302740593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13634976 + ... + 13637872.

It is an arithmetic number, because the mean of its divisors is an integer number (1241372790).

Almost surely, 2^39504720328 is an apocalyptic number.

It is an amenable number.

39504720328 is an abundant number, since it is smaller than the sum of its proper divisors (39943138232).

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

39504720328 is a wasteful number, since it uses less digits than its factorization.

39504720328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 39504720328 in words is "thirty-nine billion, five hundred four million, seven hundred twenty thousand, three hundred twenty-eight".