39364940836 has 45 divisors (see below), whose sum is σ = 74756519159. Its totient is φ = 18137482896.

The previous prime is 39364940821. The next prime is 39364940861. The reversal of 39364940836 is 63804946393.

The square root of 39364940836 is 198406.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 19517766436 + 19847174400 = 139706^2 + 140880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 67060935 + ... + 67061521.

Almost surely, 2^39364940836 is an apocalyptic number.

39364940836 is the 198406-th square number.

It is an amenable number.

39364940836 is a deficient number, since it is larger than the sum of its proper divisors (35391578323).

39364940836 is an frugal number, since it uses more digits than its factorization.

39364940836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 55.

The spelling of 39364940836 in words is "thirty-nine billion, three hundred sixty-four million, nine hundred forty thousand, eight hundred thirty-six".