564444040 has 64 divisors (see below), whose sum is σ = 1291282560. Its totient is φ = 222028800.

The previous prime is 564444037. The next prime is 564444053. The reversal of 564444040 is 40444465.

It is a junction number, because it is equal to n+sod(n) for n = 564443993 and 564444011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682107 + ... + 682933.

It is an arithmetic number, because the mean of its divisors is an integer number (20176290).

Almost surely, 2^564444040 is an apocalyptic number.

It is an amenable number.

564444040 is an abundant number, since it is smaller than the sum of its proper divisors (726838520).

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

564444040 is a wasteful number, since it uses less digits than its factorization.

564444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 564444040 is about 23758.0310632005. The cubic root of 564444040 is about 826.4316933917.

The spelling of 564444040 in words is "five hundred sixty-four million, four hundred forty-four thousand, forty".