268109192 has 64 divisors (see below), whose sum is σ = 557383680. Its totient is φ = 120137472.

The previous prime is 268109167. The next prime is 268109221. The reversal of 268109192 is 291901862.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699833 + ... + 700215.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2^268109192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268109192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278691840).

268109192 is an abundant number, since it is smaller than the sum of its proper divisors (289274488).

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

268109192 is a wasteful number, since it uses less digits than its factorization.

268109192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 268109192 is about 16374.0401856109. The cubic root of 268109192 is about 644.8181223061.

The spelling of 268109192 in words is "two hundred sixty-eight million, one hundred nine thousand, one hundred ninety-two".