500444440 has 32 divisors (see below), whose sum is σ = 1142812080. Its totient is φ = 197188992.

The previous prime is 500444429. The next prime is 500444447. The reversal of 500444440 is 44444005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90687 + ... + 96046.

Almost surely, 2^500444440 is an apocalyptic number.

It is an amenable number.

500444440 is an abundant number, since it is smaller than the sum of its proper divisors (642367640).

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

500444440 is a wasteful number, since it uses less digits than its factorization.

500444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186811 (or 186807 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 500444440 is about 22370.6155480800. The cubic root of 500444440 is about 793.9356245142.

Adding to 500444440 its reverse (44444005), we get a palindrome (544888445).

The spelling of 500444440 in words is "five hundred million, four hundred forty-four thousand, four hundred forty".