39964068744 has 64 divisors (see below), whose sum is σ = 105876288000. Its totient is φ = 12548282880.

The previous prime is 39964068733. The next prime is 39964068751. The reversal of 39964068744 is 44786046993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671704 + ... + 728775.

It is an arithmetic number, because the mean of its divisors is an integer number (1654317000).

Almost surely, 2^39964068744 is an apocalyptic number.

It is an amenable number.

39964068744 is an abundant number, since it is smaller than the sum of its proper divisors (65912219256).

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

39964068744 is a wasteful number, since it uses less digits than its factorization.

39964068744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400558 (or 1400554 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 39964068744 in words is "thirty-nine billion, nine hundred sixty-four million, sixty-eight thousand, seven hundred forty-four".