564400026 has 24 divisors (see below), whose sum is σ = 1251307200. Its totient is φ = 183757896.

The previous prime is 564400003. The next prime is 564400033. The reversal of 564400026 is 620004465.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 363826 + ... + 365373.

It is an arithmetic number, because the mean of its divisors is an integer number (52137800).

Almost surely, 2^564400026 is an apocalyptic number.

564400026 is an abundant number, since it is smaller than the sum of its proper divisors (686907174).

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

564400026 is a wasteful number, since it uses less digits than its factorization.

564400026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729250 (or 729247 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 564400026 is about 23757.1047478433. The cubic root of 564400026 is about 826.4102117759.

The spelling of 564400026 in words is "five hundred sixty-four million, four hundred thousand, twenty-six".