564240440 has 16 divisors (see below), whose sum is σ = 1269541080. Its totient is φ = 225696160.

The previous prime is 564240427. The next prime is 564240451. The reversal of 564240440 is 44042465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052966 + ... + 7053045.

Almost surely, 2^564240440 is an apocalyptic number.

It is an amenable number.

564240440 is an abundant number, since it is smaller than the sum of its proper divisors (705300640).

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

564240440 is a wasteful number, since it uses less digits than its factorization.

564240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106022 (or 14106018 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 564240440 is about 23753.7458098718. The cubic root of 564240440 is about 826.3323143473.

The spelling of 564240440 in words is "five hundred sixty-four million, two hundred forty thousand, four hundred forty".