39638834052 has 48 divisors (see below), whose sum is σ = 94011086400. Its totient is φ = 12997480320.

The previous prime is 39638834033. The next prime is 39638834069. The reversal of 39638834052 is 25043883693.

It is a junction number, because it is equal to n+sod(n) for n = 39638833986 and 39638834004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72802 + ... + 290822.

It is an arithmetic number, because the mean of its divisors is an integer number (1958564300).

Almost surely, 2^39638834052 is an apocalyptic number.

It is an amenable number.

39638834052 is an abundant number, since it is smaller than the sum of its proper divisors (54372252348).

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

39638834052 is a wasteful number, since it uses less digits than its factorization.

39638834052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218276 (or 218274 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 39638834052 in words is "thirty-nine billion, six hundred thirty-eight million, eight hundred thirty-four thousand, fifty-two".