39394306980 has 72 divisors (see below), whose sum is σ = 136566935232. Its totient is φ = 9004412736.

The previous prime is 39394306957. The next prime is 39394306981. The reversal of 39394306980 is 8960349393.

It is a happy number.

39394306980 is a `hidden beast` number, since 393 + 94 + 30 + 69 + 80 = 666.

It is a super-2 number, since 2×39394306980² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39394306981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15631402 + ... + 15633921.

Almost surely, 2^39394306980 is an apocalyptic number.

39394306980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39394306980 is an abundant number, since it is smaller than the sum of its proper divisors (97172628252).

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

39394306980 is a wasteful number, since it uses less digits than its factorization.

39394306980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31265345 (or 31265340 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 39394306980 in words is "thirty-nine billion, three hundred ninety-four million, three hundred six thousand, nine hundred eighty".