39516580428 has 48 divisors (see below), whose sum is σ = 99319244640. Its totient is φ = 12156355584.

The previous prime is 39516580423. The next prime is 39516580451. The reversal of 39516580428 is 82408561593.

39516580428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39516580423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785076 + ... + 833892.

It is an arithmetic number, because the mean of its divisors is an integer number (2069150930).

Almost surely, 2^39516580428 is an apocalyptic number.

It is an amenable number.

39516580428 is an abundant number, since it is smaller than the sum of its proper divisors (59802664212).

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

39516580428 is a wasteful number, since it uses less digits than its factorization.

39516580428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54026 (or 54024 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 39516580428 in words is "thirty-nine billion, five hundred sixteen million, five hundred eighty thousand, four hundred twenty-eight".