39976019718 has 16 divisors (see below), whose sum is σ = 80659580976. Its totient is φ = 13207416320.

The previous prime is 39976019693. The next prime is 39976019723. The reversal of 39976019718 is 81791067993.

It is a congruent 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, 29480163 + ... + 29481518.

It is an arithmetic number, because the mean of its divisors is an integer number (5041223811).

Almost surely, 2^39976019718 is an apocalyptic number.

39976019718 is an abundant number, since it is smaller than the sum of its proper divisors (40683561258).

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

39976019718 is a wasteful number, since it uses less digits than its factorization.

39976019718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58961799.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 39976019718 in words is "thirty-nine billion, nine hundred seventy-six million, nineteen thousand, seven hundred eighteen".