39974828068 has 24 divisors (see below), whose sum is σ = 80696855232. Its totient is φ = 16971955104.

The previous prime is 39974828059. The next prime is 39974828107. The reversal of 39974828068 is 86082847993.

39974828068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39974828068² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668371 + ... + 6674362.

It is an arithmetic number, because the mean of its divisors is an integer number (3362368968).

Almost surely, 2^39974828068 is an apocalyptic number.

It is an amenable number.

39974828068 is an abundant number, since it is smaller than the sum of its proper divisors (40722027164).

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

39974828068 is a wasteful number, since it uses less digits than its factorization.

39974828068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342851 (or 13342849 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 39974828068 in words is "thirty-nine billion, nine hundred seventy-four million, eight hundred twenty-eight thousand, sixty-eight".