39959405274 has 8 divisors (see below), whose sum is σ = 79918810560. Its totient is φ = 13319801756.

The previous prime is 39959405257. The next prime is 39959405287. The reversal of 39959405274 is 47250495993.

It is a sphenic number, since it is the product of 3 distinct primes.

39959405274 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329950434 + ... + 3329950445.

It is an arithmetic number, because the mean of its divisors is an integer number (9989851320).

Almost surely, 2^39959405274 is an apocalyptic number.

39959405274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39959405274 is a wasteful number, since it uses less digits than its factorization.

39959405274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659900884.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 39959405274 in words is "thirty-nine billion, nine hundred fifty-nine million, four hundred five thousand, two hundred seventy-four".