268220584 has 32 divisors (see below), whose sum is σ = 517698720. Its totient is φ = 130205376.

The previous prime is 268220573. The next prime is 268220591. The reversal of 268220584 is 485022862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57259 + ... + 61765.

It is an arithmetic number, because the mean of its divisors is an integer number (16178085).

Almost surely, 2^268220584 is an apocalyptic number.

It is an amenable number.

268220584 is a deficient number, since it is larger than the sum of its proper divisors (249478136).

268220584 is a wasteful number, since it uses less digits than its factorization.

268220584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 268220584 is about 16377.4413141980. The cubic root of 268220584 is about 644.9074113436.

The spelling of 268220584 in words is "two hundred sixty-eight million, two hundred twenty thousand, five hundred eighty-four".