268936229376 has 160 divisors (see below), whose sum is σ = 796764122880. Its totient is φ = 89567244288.

The previous prime is 268936229357. The next prime is 268936229399. The reversal of 268936229376 is 673922639862.

268936229376 is a `hidden beast` number, since 2 + 6 + 8 + 9 + 36 + 229 + 376 = 666.

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, 17092425 + ... + 17108151.

It is an arithmetic number, because the mean of its divisors is an integer number (4979775768).

Almost surely, 2^268936229376 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 268936229376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398382061440).

268936229376 is an abundant number, since it is smaller than the sum of its proper divisors (527827893504).

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

268936229376 is a wasteful number, since it uses less digits than its factorization.

268936229376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991 (or 16969 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 268936229376 in words is "two hundred sixty-eight billion, nine hundred thirty-six million, two hundred twenty-nine thousand, three hundred seventy-six".