39120920577928 has 32 divisors (see below), whose sum is σ = 85081746254400. Its totient is φ = 16515868387392.

The previous prime is 39120920577917. The next prime is 39120920577989. The reversal of 39120920577928 is 82977502902193.

It is a self number, because there is not a number n which added to its sum of digits gives 39120920577928.

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, 5213338543 + ... + 5213346046.

It is an arithmetic number, because the mean of its divisors is an integer number (2658804570450).

Almost surely, 2^{39120920577928} is an apocalyptic number.

It is an amenable number.

39120920577928 is an abundant number, since it is smaller than the sum of its proper divisors (45960825676472).

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

39120920577928 is a wasteful number, since it uses less digits than its factorization.

39120920577928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426684669 (or 10426684665 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 39120920577928 in words is "thirty-nine trillion, one hundred twenty billion, nine hundred twenty million, five hundred seventy-seven thousand, nine hundred twenty-eight".