564403356 has 96 divisors (see below), whose sum is σ = 1603929600. Its totient is φ = 170213760.

The previous prime is 564403351. The next prime is 564403409. The reversal of 564403356 is 653304465.

564403356 is a `hidden beast` number, since 5 + 644 + 0 + 3 + 3 + 5 + 6 = 666.

It is a super-2 number, since 2×564403356² = 637102296528125472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 564403356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564403351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275785 + ... + 277823.

It is an arithmetic number, because the mean of its divisors is an integer number (16707600).

Almost surely, 2^564403356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564403356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801964800).

564403356 is an abundant number, since it is smaller than the sum of its proper divisors (1039526244).

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

564403356 is a wasteful number, since it uses less digits than its factorization.

564403356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2288 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 564403356 is about 23757.1748320376. The cubic root of 564403356 is about 826.4118370655.

The spelling of 564403356 in words is "five hundred sixty-four million, four hundred three thousand, three hundred fifty-six".