564454236 has 12 divisors (see below), whose sum is σ = 1317059912. Its totient is φ = 188151408.

The previous prime is 564454207. The next prime is 564454243. The reversal of 564454236 is 632454465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 564454194 and 564454203.

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, 23518915 + ... + 23518938.

Almost surely, 2^564454236 is an apocalyptic number.

It is an amenable number.

564454236 is an abundant number, since it is smaller than the sum of its proper divisors (752605676).

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

564454236 is a wasteful number, since it uses less digits than its factorization.

564454236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47037860 (or 47037858 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 564454236 is about 23758.2456423028. The cubic root of 564454236 is about 826.4366695252.

The spelling of 564454236 in words is "five hundred sixty-four million, four hundred fifty-four thousand, two hundred thirty-six".