268472655 has 48 divisors (see below), whose sum is σ = 514874880. Its totient is φ = 128318400.

The previous prime is 268472647. The next prime is 268472657. The reversal of 268472655 is 556274862.

It is not a de Polignac number, because 268472655 - 2³ = 268472647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 268472655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268472657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31326 + ... + 38964.

It is an arithmetic number, because the mean of its divisors is an integer number (10726560).

Almost surely, 2^268472655 is an apocalyptic number.

268472655 is a deficient number, since it is larger than the sum of its proper divisors (246402225).

268472655 is a wasteful number, since it uses less digits than its factorization.

268472655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 7729 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 268472655 is about 16385.1351840624. The cubic root of 268472655 is about 645.1093739166.

The spelling of 268472655 in words is "two hundred sixty-eight million, four hundred seventy-two thousand, six hundred fifty-five".