500042564 has 12 divisors (see below), whose sum is σ = 1000085184. Its totient is φ = 214303944.

The previous prime is 500042549. The next prime is 500042567. The reversal of 500042564 is 465240005.

500042564 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (500042567) 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, 8929304 + ... + 8929359.

It is an arithmetic number, because the mean of its divisors is an integer number (83340432).

Almost surely, 2^500042564 is an apocalyptic number.

It is an amenable number.

500042564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

500042564 is a wasteful number, since it uses less digits than its factorization.

500042564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858674 (or 17858672 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 500042564 is about 22361.6315147173. The cubic root of 500042564 is about 793.7230473912.

Adding to 500042564 its reverse (465240005), we get a palindrome (965282569).

The spelling of 500042564 in words is "five hundred million, forty-two thousand, five hundred sixty-four".