268290724 has 24 divisors (see below), whose sum is σ = 507379320. Its totient is φ = 123396864.

The previous prime is 268290721. The next prime is 268290739. The reversal of 268290724 is 427092862.

It can be written as a sum of positive squares in 4 ways, for example, as 85229824 + 183060900 = 9232^2 + 13530^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (268290721) 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, 6432 + ... + 24040.

It is an arithmetic number, because the mean of its divisors is an integer number (21140805).

Almost surely, 2^268290724 is an apocalyptic number.

It is an amenable number.

268290724 is a deficient number, since it is larger than the sum of its proper divisors (239088596).

268290724 is a wasteful number, since it uses less digits than its factorization.

268290724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919 (or 17917 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 268290724 is about 16379.5825343627. The cubic root of 268290724 is about 644.9636211279.

The spelling of 268290724 in words is "two hundred sixty-eight million, two hundred ninety thousand, seven hundred twenty-four".