500440226724 has 45 divisors (see below), whose sum is σ = 1308282893841. Its totient is φ = 166809164400.

The previous prime is 500440226717. The next prime is 500440226731. The reversal of 500440226724 is 427622044005.

The square root of 500440226724 is 707418.

It is a perfect power (a square), and thus also a powerful number.

500440226724 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (500440226717) and next prime (500440226731).

It can be written as a sum of positive squares in only one way, i.e., 146320020324 + 354120206400 = 382518^2 + 595080^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12713874 + ... + 12753174.

Almost surely, 2^500440226724 is an apocalyptic number.

500440226724 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

500440226724 is the 707418-th square number.

It is an amenable number.

500440226724 is an abundant number, since it is smaller than the sum of its proper divisors (807842667117).

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

500440226724 is an frugal number, since it uses more digits than its factorization.

500440226724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78618 (or 39306 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Multiplying 500440226724 by its sum of digits (36), we get a square (18015848162064 = 4244508²).

500440226724 divided by its sum of digits (36) gives a square (13901117409 = 117903²).

The spelling of 500440226724 in words is "five hundred billion, four hundred forty million, two hundred twenty-six thousand, seven hundred twenty-four".