5064445640 has 32 divisors (see below), whose sum is σ = 11429458560. Its totient is φ = 2019652800.

The previous prime is 5064445637. The next prime is 5064445651. The reversal of 5064445640 is 465444605.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5064445594 and 5064445603.

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, 178016 + ... + 204495.

It is an arithmetic number, because the mean of its divisors is an integer number (357170580).

Almost surely, 2^5064445640 is an apocalyptic number.

It is an amenable number.

5064445640 is an abundant number, since it is smaller than the sum of its proper divisors (6365012920).

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

5064445640 is a wasteful number, since it uses less digits than its factorization.

5064445640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382853 (or 382849 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 5064445640 is about 71164.9186046046. The cubic root of 5064445640 is about 1717.2913062060.

The spelling of 5064445640 in words is "five billion, sixty-four million, four hundred forty-five thousand, six hundred forty".