39991572714 has 16 divisors (see below), whose sum is σ = 79988444928. Its totient is φ = 13329640992.

The previous prime is 39991572641. The next prime is 39991572727. The reversal of 39991572714 is 41727519993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119107 + ... + 306870.

It is an arithmetic number, because the mean of its divisors is an integer number (4999277808).

Almost surely, 2^39991572714 is an apocalyptic number.

39991572714 is an abundant number, since it is smaller than the sum of its proper divisors (39996872214).

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

39991572714 is a wasteful number, since it uses less digits than its factorization.

39991572714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441629.

The product of its digits is 4286520, while the sum is 57.

The spelling of 39991572714 in words is "thirty-nine billion, nine hundred ninety-one million, five hundred seventy-two thousand, seven hundred fourteen".