573664614861540 has 24 divisors (see below), whose sum is σ = 1606260921612480. Its totient is φ = 152977230629728.

The previous prime is 573664614861509. The next prime is 573664614861557. The reversal of 573664614861540 is 45168416466375.

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, 4780538457120 + ... + 4780538457239.

It is an arithmetic number, because the mean of its divisors is an integer number (66927538400520).

Almost surely, 2^{573664614861540} is an apocalyptic number.

It is an amenable number.

573664614861540 is an abundant number, since it is smaller than the sum of its proper divisors (1032596306750940).

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

573664614861540 is a wasteful number, since it uses less digits than its factorization.

573664614861540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561076914371 (or 9561076914369 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 66.

The spelling of 573664614861540 in words is "five hundred seventy-three trillion, six hundred sixty-four billion, six hundred fourteen million, eight hundred sixty-one thousand, five hundred forty".