39952746728 has 32 divisors (see below), whose sum is σ = 75270124800. Its totient is φ = 19880800128.

The previous prime is 39952746719. The next prime is 39952746791. The reversal of 39952746728 is 82764725993.

It is a super-2 number, since 2×39952746728² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5064275 + ... + 5072157.

It is an arithmetic number, because the mean of its divisors is an integer number (2352191400).

Almost surely, 2^39952746728 is an apocalyptic number.

It is an amenable number.

39952746728 is a deficient number, since it is larger than the sum of its proper divisors (35317378072).

39952746728 is a wasteful number, since it uses less digits than its factorization.

39952746728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841 (or 10837 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 39952746728 in words is "thirty-nine billion, nine hundred fifty-two million, seven hundred forty-six thousand, seven hundred twenty-eight".