5640944891562 has 24 divisors (see below), whose sum is σ = 12865312911360. Its totient is φ = 1781351018280.

The previous prime is 5640944891551. The next prime is 5640944891573. The reversal of 5640944891562 is 2651984490465.

5640944891562 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 94 + 489 + 1 + 5 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (5640944891551) and next prime (5640944891573).

It is a self number, because there is not a number n which added to its sum of digits gives 5640944891562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8246995114 + ... + 8246995797.

It is an arithmetic number, because the mean of its divisors is an integer number (536054704640).

Almost surely, 2^{5640944891562} is an apocalyptic number.

5640944891562 is an abundant number, since it is smaller than the sum of its proper divisors (7224368019798).

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

5640944891562 is a wasteful number, since it uses less digits than its factorization.

5640944891562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16493990938 (or 16493990935 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 5640944891562 in words is "five trillion, six hundred forty billion, nine hundred forty-four million, eight hundred ninety-one thousand, five hundred sixty-two".