564261310000 has 50 divisors (see below), whose sum is σ = 1366133081852. Its totient is φ = 225704520000.

The previous prime is 564261309967. The next prime is 564261310027. The reversal of 564261310000 is 13162465.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×564261310000² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28203066 + ... + 28223065.

Almost surely, 2^564261310000 is an apocalyptic number.

564261310000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

564261310000 is an abundant number, since it is smaller than the sum of its proper divisors (801871771852).

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

564261310000 is an equidigital number, since it uses as much as digits as its factorization.

564261310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56426159 (or 56426138 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 564261310000 its reverse (13162465), we get a palindrome (564274472465).

The spelling of 564261310000 in words is "five hundred sixty-four billion, two hundred sixty-one million, three hundred ten thousand".