564432234464 has 24 divisors (see below), whose sum is σ = 1269972528048. Its totient is φ = 241899528960.

The previous prime is 564432234371. The next prime is 564432234469. The reversal of 564432234464 is 464432234465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564432234469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259893157 + ... + 1259893604.

It is an arithmetic number, because the mean of its divisors is an integer number (52915522002).

Almost surely, 2^564432234464 is an apocalyptic number.

It is an amenable number.

564432234464 is an abundant number, since it is smaller than the sum of its proper divisors (705540293584).

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

564432234464 is a wasteful number, since it uses less digits than its factorization.

564432234464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519786778 (or 2519786770 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 47.

Subtracting from 564432234464 its reverse (464432234465), we obtain a palindrome (99999999999).

The spelling of 564432234464 in words is "five hundred sixty-four billion, four hundred thirty-two million, two hundred thirty-four thousand, four hundred sixty-four".