5642464640626 has 16 divisors (see below), whose sum is σ = 9305825725440. Its totient is φ = 2544561719280.

The previous prime is 5642464640537. The next prime is 5642464640633. The reversal of 5642464640626 is 6260464642465.

It is a super-3 number, since 3×5642464640626³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009743921 + ... + 1009749508.

It is an arithmetic number, because the mean of its divisors is an integer number (581614107840).

Almost surely, 2^{5642464640626} is an apocalyptic number.

5642464640626 is a deficient number, since it is larger than the sum of its proper divisors (3663361084814).

5642464640626 is a wasteful number, since it uses less digits than its factorization.

5642464640626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019493569.

The product of its (nonzero) digits is 39813120, while the sum is 55.

The spelling of 5642464640626 in words is "five trillion, six hundred forty-two billion, four hundred sixty-four million, six hundred forty thousand, six hundred twenty-six".