39918844516 has 12 divisors (see below), whose sum is σ = 69922252288. Its totient is φ = 19941058152.

The previous prime is 39918844489. The next prime is 39918844517. The reversal of 39918844516 is 61544881993.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (39918844517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586136 + ... + 4594831.

Almost surely, 2^39918844516 is an apocalyptic number.

It is an amenable number.

39918844516 is a deficient number, since it is larger than the sum of its proper divisors (30003407772).

39918844516 is a wasteful number, since it uses less digits than its factorization.

39918844516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182058 (or 9182056 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The spelling of 39918844516 in words is "thirty-nine billion, nine hundred eighteen million, eight hundred forty-four thousand, five hundred sixteen".