564039426500 has 48 divisors (see below), whose sum is σ = 1343849584896. Its totient is φ = 205105244000.

The previous prime is 564039426493. The next prime is 564039426547. The reversal of 564039426500 is 5624930465.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51270812 + ... + 51281811.

It is an arithmetic number, because the mean of its divisors is an integer number (27996866352).

Almost surely, 2^564039426500 is an apocalyptic number.

564039426500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

564039426500 is an abundant number, since it is smaller than the sum of its proper divisors (779810158396).

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

564039426500 is a wasteful number, since it uses less digits than its factorization.

564039426500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102552653 (or 102552641 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 564039426500 in words is "five hundred sixty-four billion, thirty-nine million, four hundred twenty-six thousand, five hundred".