268274298496 has 128 divisors (see below), whose sum is σ = 572458924800. Its totient is φ = 124790243328.

The previous prime is 268274298463. The next prime is 268274298511. The reversal of 268274298496 is 694892472862.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its 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, 68452825 + ... + 68456743.

It is an arithmetic number, because the mean of its divisors is an integer number (4472335350).

Almost surely, 2^268274298496 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 268274298496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286229462400).

268274298496 is an abundant number, since it is smaller than the sum of its proper divisors (304184626304).

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

268274298496 is a wasteful number, since it uses less digits than its factorization.

268274298496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4294 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 67.

The spelling of 268274298496 in words is "two hundred sixty-eight billion, two hundred seventy-four million, two hundred ninety-eight thousand, four hundred ninety-six".