268578976 has 24 divisors (see below), whose sum is σ = 547000020. Its totient is φ = 129658368.

The previous prime is 268578917. The next prime is 268578979. The reversal of 268578976 is 679875862.

It can be written as a sum of positive squares in 2 ways, for example, as 268304400 + 274576 = 16380^2 + 524^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 268578976.

It is not an unprimeable number, because it can be changed into a prime (268578979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143781 + ... + 145636.

Almost surely, 2^268578976 is an apocalyptic number.

It is an amenable number.

268578976 is an abundant number, since it is smaller than the sum of its proper divisors (278421044).

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

268578976 is a wasteful number, since it uses less digits than its factorization.

268578976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289456 (or 289448 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 58.

The square root of 268578976 is about 16388.3792975389. The cubic root of 268578976 is about 645.1945217833.

The spelling of 268578976 in words is "two hundred sixty-eight million, five hundred seventy-eight thousand, nine hundred seventy-six".