39970981032 has 64 divisors (see below), whose sum is σ = 101373465600. Its totient is φ = 13132143360.

The previous prime is 39970981003. The next prime is 39970981049. The reversal of 39970981032 is 23018907993.

It is a happy 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, 459658 + ... + 539654.

It is an arithmetic number, because the mean of its divisors is an integer number (1583960400).

Almost surely, 2^39970981032 is an apocalyptic number.

It is an amenable number.

39970981032 is an abundant number, since it is smaller than the sum of its proper divisors (61402484568).

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

39970981032 is a wasteful number, since it uses less digits than its factorization.

39970981032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80306 (or 80302 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 39970981032 in words is "thirty-nine billion, nine hundred seventy million, nine hundred eighty-one thousand, thirty-two".