268488504042 has 32 divisors (see below), whose sum is σ = 585953201664. Its totient is φ = 81337916400.

The previous prime is 268488504041. The next prime is 268488504047. The reversal of 268488504042 is 240405884862.

It is a super-2 number, since 2×268488504042² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268488504041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311788 + ... + 796359.

It is an arithmetic number, because the mean of its divisors is an integer number (18311037552).

Almost surely, 2^268488504042 is an apocalyptic number.

268488504042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

268488504042 is an abundant number, since it is smaller than the sum of its proper divisors (317464697622).

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

268488504042 is a wasteful number, since it uses less digits than its factorization.

268488504042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111834.

The product of its (nonzero) digits is 3932160, while the sum is 51.

The spelling of 268488504042 in words is "two hundred sixty-eight billion, four hundred eighty-eight million, five hundred four thousand, forty-two".