39979602424672 has 96 divisors (see below), whose sum is σ = 79914097428480. Its totient is φ = 19685332592640.

The previous prime is 39979602424627. The next prime is 39979602424777. The reversal of 39979602424672 is 27642420697993.

It is a super-2 number, since 2×39979602424672² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2053279897 + ... + 2053299367.

It is an arithmetic number, because the mean of its divisors is an integer number (832438514880).

Almost surely, 2^{39979602424672} is an apocalyptic number.

39979602424672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39979602424672 is a deficient number, since it is larger than the sum of its proper divisors (39934495003808).

39979602424672 is a wasteful number, since it uses less digits than its factorization.

39979602424672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21636 (or 21628 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 70.

The spelling of 39979602424672 in words is "thirty-nine trillion, nine hundred seventy-nine billion, six hundred two million, four hundred twenty-four thousand, six hundred seventy-two".