564240635 has 24 divisors (see below), whose sum is σ = 789418080. Its totient is φ = 386031744.

The previous prime is 564240631. The next prime is 564240653. The reversal of 564240635 is 536042465.

It is a happy number.

It is not a de Polignac number, because 564240635 - 2² = 564240631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 564240595 and 564240604.

It is not an unprimeable number, because it can be changed into a prime (564240631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116951 + ... + 121679.

It is an arithmetic number, because the mean of its divisors is an integer number (32892420).

Almost surely, 2^564240635 is an apocalyptic number.

564240635 is a deficient number, since it is larger than the sum of its proper divisors (225177445).

564240635 is a wasteful number, since it uses less digits than its factorization.

564240635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 564240635 is about 23753.7499144872. The cubic root of 564240635 is about 826.3324095400.

The spelling of 564240635 in words is "five hundred sixty-four million, two hundred forty thousand, six hundred thirty-five".