39149124920 has 32 divisors (see below), whose sum is σ = 88140694320. Its totient is φ = 15649843200.

The previous prime is 39149124919. The next prime is 39149124953. The reversal of 39149124920 is 2942194193.

39149124920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 241622 + ... + 369701.

Almost surely, 2^39149124920 is an apocalyptic number.

It is an amenable number.

39149124920 is an abundant number, since it is smaller than the sum of its proper divisors (48991569400).

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

39149124920 is a wasteful number, since it uses less digits than its factorization.

39149124920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612935 (or 612931 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 39149124920 in words is "thirty-nine billion, one hundred forty-nine million, one hundred twenty-four thousand, nine hundred twenty".