5664363646440 has 128 divisors (see below), whose sum is σ = 18343366790400. Its totient is φ = 1395001681920.

The previous prime is 5664363646387. The next prime is 5664363646453. The reversal of 5664363646440 is 446463634665.

It is a super-2 number, since 2×5664363646440² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35304541 + ... + 35464620.

It is an arithmetic number, because the mean of its divisors is an integer number (143307553050).

Almost surely, 2^{5664363646440} is an apocalyptic number.

It is an amenable number.

5664363646440 is an abundant number, since it is smaller than the sum of its proper divisors (12679003143960).

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

5664363646440 is a wasteful number, since it uses less digits than its factorization.

5664363646440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70769227 (or 70769223 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 57.

The spelling of 5664363646440 in words is "five trillion, six hundred sixty-four billion, three hundred sixty-three million, six hundred forty-six thousand, four hundred forty".