39916843264 has 27 divisors (see below), whose sum is σ = 79684142727. Its totient is φ = 19956823296.

The previous prime is 39916843249. The next prime is 39916843279. The reversal of 39916843264 is 46234861993.

The square root of 39916843264 is 199792.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (39916843249) and next prime (39916843279).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3190429 + ... + 3202915.

Almost surely, 2^39916843264 is an apocalyptic number.

39916843264 is the 199792-nd square number.

It is an amenable number.

39916843264 is a deficient number, since it is larger than the sum of its proper divisors (39767299463).

39916843264 is an frugal number, since it uses more digits than its factorization.

39916843264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990 (or 12489 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 39916843264 in words is "thirty-nine billion, nine hundred sixteen million, eight hundred forty-three thousand, two hundred sixty-four".