39148232864 has 24 divisors (see below), whose sum is σ = 83001783060. Its totient is φ = 18068414976.

The previous prime is 39148232843. The next prime is 39148232867. The reversal of 39148232864 is 46823284193.

It can be written as a sum of positive squares in 2 ways, for example, as 33822152464 + 5326080400 = 183908^2 + 72980^2 .

It is not an unprimeable number, because it can be changed into a prime (39148232867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47052749 + ... + 47053580.

Almost surely, 2^39148232864 is an apocalyptic number.

It is an amenable number.

39148232864 is an abundant number, since it is smaller than the sum of its proper divisors (43853550196).

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

39148232864 is a wasteful number, since it uses less digits than its factorization.

39148232864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94106352 (or 94106344 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The spelling of 39148232864 in words is "thirty-nine billion, one hundred forty-eight million, two hundred thirty-two thousand, eight hundred sixty-four".