564435036 has 72 divisors (see below), whose sum is σ = 1559585664. Its totient is φ = 170699040.

The previous prime is 564435029. The next prime is 564435041. The reversal of 564435036 is 630534465.

564435036 is a `hidden beast` number, since 5 + 644 + 3 + 5 + 0 + 3 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255111 + ... + 257313.

It is an arithmetic number, because the mean of its divisors is an integer number (21660912).

Almost surely, 2^564435036 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 564435036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779792832).

564435036 is an abundant number, since it is smaller than the sum of its proper divisors (995150628).

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

564435036 is a wasteful number, since it uses less digits than its factorization.

564435036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2866 counting only the distinct ones).

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

The square root of 564435036 is about 23757.8415686274. The cubic root of 564435036 is about 826.4272989610.

It can be divided in two parts, 564 and 435036, that added together give a square (435600 = 660²).

The spelling of 564435036 in words is "five hundred sixty-four million, four hundred thirty-five thousand, thirty-six".