268240357374 has 128 divisors (see below), whose sum is σ = 636961259520. Its totient is φ = 74401545600.

The previous prime is 268240357337. The next prime is 268240357417. The reversal of 268240357374 is 473753042862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25379439 + ... + 25390005.

It is an arithmetic number, because the mean of its divisors is an integer number (4976259840).

Almost surely, 2^268240357374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268240357374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318480629760).

268240357374 is an abundant number, since it is smaller than the sum of its proper divisors (368720902146).

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

268240357374 is a wasteful number, since it uses less digits than its factorization.

268240357374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 268240357374 in words is "two hundred sixty-eight billion, two hundred forty million, three hundred fifty-seven thousand, three hundred seventy-four".