39991426180 has 48 divisors (see below), whose sum is σ = 87943330944. Its totient is φ = 15246950400.

The previous prime is 39991426171. The next prime is 39991426193. The reversal of 39991426180 is 8162419993.

39991426180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 23421 + ... + 283780.

It is an arithmetic number, because the mean of its divisors is an integer number (1832152728).

Almost surely, 2^39991426180 is an apocalyptic number.

It is an amenable number.

39991426180 is an abundant number, since it is smaller than the sum of its proper divisors (47951904764).

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

39991426180 is a wasteful number, since it uses less digits than its factorization.

39991426180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307516 (or 307514 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 39991426180 in words is "thirty-nine billion, nine hundred ninety-one million, four hundred twenty-six thousand, one hundred eighty".