39947700120 has 64 divisors (see below), whose sum is σ = 121078631520. Its totient is φ = 10542895104.

The previous prime is 39947700077. The next prime is 39947700157. The reversal of 39947700120 is 2100774993.

It is a congruent number.

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, 1704327 + ... + 1727606.

Almost surely, 2^39947700120 is an apocalyptic number.

39947700120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39947700120 is an abundant number, since it is smaller than the sum of its proper divisors (81130931400).

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

39947700120 is a wasteful number, since it uses less digits than its factorization.

39947700120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432044 (or 3432040 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 39947700120 in words is "thirty-nine billion, nine hundred forty-seven million, seven hundred thousand, one hundred twenty".