39960219816 has 96 divisors (see below), whose sum is σ = 124278242400. Its totient is φ = 11471829120.

The previous prime is 39960219809. The next prime is 39960219829. The reversal of 39960219816 is 61891206993.

39960219816 is a `hidden beast` number, since 3 + 9 + 9 + 602 + 19 + 8 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1312711 + ... + 1342806.

It is an arithmetic number, because the mean of its divisors is an integer number (1294565025).

Almost surely, 2^39960219816 is an apocalyptic number.

39960219816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39960219816 is an abundant number, since it is smaller than the sum of its proper divisors (84318022584).

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

39960219816 is a wasteful number, since it uses less digits than its factorization.

39960219816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655559 (or 2655552 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 39960219816 in words is "thirty-nine billion, nine hundred sixty million, two hundred nineteen thousand, eight hundred sixteen".