268053887504 has 80 divisors (see below), whose sum is σ = 586586956032. Its totient is φ = 117737055744.

The previous prime is 268053887489. The next prime is 268053887509. The reversal of 268053887504 is 405788350862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 268053887504.

It is not an unprimeable number, because it can be changed into a prime (268053887509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800237 + ... + 1084659.

Almost surely, 2^268053887504 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 268053887504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293293478016).

268053887504 is an abundant number, since it is smaller than the sum of its proper divisors (318533068528).

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

268053887504 is a wasteful number, since it uses less digits than its factorization.

268053887504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284664 (or 284658 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 268053887504 in words is "two hundred sixty-eight billion, fifty-three million, eight hundred eighty-seven thousand, five hundred four".