268815512 has 32 divisors (see below), whose sum is σ = 583334400. Its totient is φ = 113746464.

The previous prime is 268815499. The next prime is 268815571. The reversal of 268815512 is 215518862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25958 + ... + 34805.

It is an arithmetic number, because the mean of its divisors is an integer number (18229200).

Almost surely, 2^268815512 is an apocalyptic number.

It is an amenable number.

268815512 is an abundant number, since it is smaller than the sum of its proper divisors (314518888).

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

268815512 is a wasteful number, since it uses less digits than its factorization.

268815512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60855 (or 60851 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 268815512 is about 16395.5942862709. The cubic root of 268815512 is about 645.3838726081.

The spelling of 268815512 in words is "two hundred sixty-eight million, eight hundred fifteen thousand, five hundred twelve".