268658772 has 48 divisors (see below), whose sum is σ = 649065984. Its totient is φ = 86400000.

The previous prime is 268658681. The next prime is 268658777. The reversal of 268658772 is 277856862.

It is a happy number.

Its product of digits (2257920) is a multiple of the sum of its prime factors (2240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268658777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148272 + ... + 150072.

It is an arithmetic number, because the mean of its divisors is an integer number (13522208).

Almost surely, 2^268658772 is an apocalyptic number.

It is an amenable number.

268658772 is an abundant number, since it is smaller than the sum of its proper divisors (380407212).

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

268658772 is a wasteful number, since it uses less digits than its factorization.

268658772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2238 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 268658772 is about 16390.8136466742. The cubic root of 268658772 is about 645.2584121704.

The spelling of 268658772 in words is "two hundred sixty-eight million, six hundred fifty-eight thousand, seven hundred seventy-two".