939915705942 has 48 divisors (see below), whose sum is σ = 2133552924672. Its totient is φ = 298673250480.

The previous prime is 939915705929. The next prime is 939915705961. The reversal of 939915705942 is 249507519939.

939915705942 is a `hidden beast` number, since 9 + 3 + 9 + 9 + 1 + 570 + 59 + 4 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 939915705942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12533038 + ... + 12607809.

It is an arithmetic number, because the mean of its divisors is an integer number (44449019264).

Almost surely, 2^939915705942 is an apocalyptic number.

939915705942 is an abundant number, since it is smaller than the sum of its proper divisors (1193637218730).

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

939915705942 is a wasteful number, since it uses less digits than its factorization.

939915705942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25140953 (or 25140950 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 939915705942 in words is "nine hundred thirty-nine billion, nine hundred fifteen million, seven hundred five thousand, nine hundred forty-two".