39980670756 has 48 divisors (see below), whose sum is σ = 101439671424. Its totient is φ = 12182305536.

The previous prime is 39980670749. The next prime is 39980670799. The reversal of 39980670756 is 65707608993.

It is a super-2 number, since 2×39980670756² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39980670756.

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, 1228041 + ... + 1260176.

It is an arithmetic number, because the mean of its divisors is an integer number (2113326488).

Almost surely, 2^39980670756 is an apocalyptic number.

It is an amenable number.

39980670756 is an abundant number, since it is smaller than the sum of its proper divisors (61459000668).

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

39980670756 is a wasteful number, since it uses less digits than its factorization.

39980670756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488340 (or 2488338 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 39980670756 in words is "thirty-nine billion, nine hundred eighty million, six hundred seventy thousand, seven hundred fifty-six".