39910791216 has 40 divisors (see below), whose sum is σ = 107585614080. Its totient is φ = 12725179456.

The previous prime is 39910791211. The next prime is 39910791247. The reversal of 39910791216 is 61219701993.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (39910791211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18074436 + ... + 18076643.

It is an arithmetic number, because the mean of its divisors is an integer number (2689640352).

Almost surely, 2^39910791216 is an apocalyptic number.

It is an amenable number.

39910791216 is an abundant number, since it is smaller than the sum of its proper divisors (67674822864).

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

39910791216 is a wasteful number, since it uses less digits than its factorization.

39910791216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36151113 (or 36151107 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 48.

The spelling of 39910791216 in words is "thirty-nine billion, nine hundred ten million, seven hundred ninety-one thousand, two hundred sixteen".