268538372746 has 48 divisors (see below), whose sum is σ = 481375089000. Its totient is φ = 111945068928.

The previous prime is 268538372731. The next prime is 268538372759. The reversal of 268538372746 is 647273835862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 241645980625 + 26892392121 = 491575^2 + 163989^2 .

It is a super-2 number, since 2×268538372746² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15760960 + ... + 15777988.

Almost surely, 2^268538372746 is an apocalyptic number.

268538372746 is a deficient number, since it is larger than the sum of its proper divisors (212836716254).

268538372746 is a wasteful number, since it uses less digits than its factorization.

268538372746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431 (or 21424 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 268538372746 in words is "two hundred sixty-eight billion, five hundred thirty-eight million, three hundred seventy-two thousand, seven hundred forty-six".