39925450317320 has 128 divisors (see below), whose sum is σ = 90410325258240. Its totient is φ = 15867784396800.

The previous prime is 39925450317299. The next prime is 39925450317343. The reversal of 39925450317320 is 2371305452993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7948524329 + ... + 7948529351.

It is an arithmetic number, because the mean of its divisors is an integer number (706330666080).

Almost surely, 2^{39925450317320} is an apocalyptic number.

It is an amenable number.

39925450317320 is an abundant number, since it is smaller than the sum of its proper divisors (50484874940920).

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

39925450317320 is a wasteful number, since it uses less digits than its factorization.

39925450317320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 39925450317320 in words is "thirty-nine trillion, nine hundred twenty-five billion, four hundred fifty million, three hundred seventeen thousand, three hundred twenty".