39158868996 has 243 divisors, whose sum is σ = 111626940789. Its totient is φ = 11569207104.

The previous prime is 39158868961. The next prime is 39158869003. The reversal of 39158868996 is 69986885193.

The square root of 39158868996 is 197886.

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

39158868996 is a `hidden beast` number, since 39 + 1 + 588 + 6 + 8 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5792732100 + 33366136896 = 76110^2 + 182664^2 .

Its product of digits (201553920) is a multiple of the sum of its prime divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 663709615 + ... + 663709673.

Almost surely, 2^39158868996 is an apocalyptic number.

39158868996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

39158868996 is the 197886-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39158868996

39158868996 is an abundant number, since it is smaller than the sum of its proper divisors (72468071793).

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

39158868996 is a wasteful number, since it uses less digits than its factorization.

39158868996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 120 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 72.

The spelling of 39158868996 in words is "thirty-nine billion, one hundred fifty-eight million, eight hundred sixty-eight thousand, nine hundred ninety-six".