268633470 has 128 divisors (see below), whose sum is σ = 766402560. Its totient is φ = 58988160.

The previous prime is 268633433. The next prime is 268633487. The reversal of 268633470 is 74336862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 640921 + ... + 641339.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^268633470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268633470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383201280).

268633470 is an abundant number, since it is smaller than the sum of its proper divisors (497769090).

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

268633470 is a wasteful number, since it uses less digits than its factorization.

268633470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 268633470 is about 16390.0417937234. The cubic root of 268633470 is about 645.2381549487.

The spelling of 268633470 in words is "two hundred sixty-eight million, six hundred thirty-three thousand, four hundred seventy".