3944536464 has 40 divisors (see below), whose sum is σ = 11116422432. Its totient is φ = 1195313920.

The previous prime is 3944536459. The next prime is 3944536483. The reversal of 3944536464 is 4646354493.

3944536464 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3734829 + ... + 3735884.

Almost surely, 2^3944536464 is an apocalyptic number.

It is an amenable number.

3944536464 is an abundant number, since it is smaller than the sum of its proper divisors (7171885968).

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

3944536464 is a wasteful number, since it uses less digits than its factorization.

3944536464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470735 (or 7470729 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The square root of 3944536464 is about 62805.5448507534. The cubic root of 3944536464 is about 1580.0299711240.

The spelling of 3944536464 in words is "three billion, nine hundred forty-four million, five hundred thirty-six thousand, four hundred sixty-four".