268890270 has 64 divisors (see below), whose sum is σ = 705625344. Its totient is φ = 65035520.

The previous prime is 268890269. The next prime is 268890287. The reversal of 268890270 is 72098862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224794 + ... + 225986.

It is an arithmetic number, because the mean of its divisors is an integer number (11025396).

Almost surely, 2^268890270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268890270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352812672).

268890270 is an abundant number, since it is smaller than the sum of its proper divisors (436735074).

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

268890270 is a wasteful number, since it uses less digits than its factorization.

268890270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 268890270 is about 16397.8739475580. The cubic root of 268890270 is about 645.4436944729.

The spelling of 268890270 in words is "two hundred sixty-eight million, eight hundred ninety thousand, two hundred seventy".