564446436 has 12 divisors (see below), whose sum is σ = 1317041712. Its totient is φ = 188148808.

The previous prime is 564446429. The next prime is 564446437. The reversal of 564446436 is 634644465.

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

It is a super-3 number, since 3×564446436³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (564446437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23518590 + ... + 23518613.

It is an arithmetic number, because the mean of its divisors is an integer number (109753476).

Almost surely, 2^564446436 is an apocalyptic number.

It is an amenable number.

564446436 is an abundant number, since it is smaller than the sum of its proper divisors (752595276).

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

564446436 is a wasteful number, since it uses less digits than its factorization.

564446436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47037210 (or 47037208 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The square root of 564446436 is about 23758.0814882010. The cubic root of 564446436 is about 826.4328627592.

The spelling of 564446436 in words is "five hundred sixty-four million, four hundred forty-six thousand, four hundred thirty-six".