268490051080 has 64 divisors (see below), whose sum is σ = 636012518400. Its totient is φ = 101725194240.

The previous prime is 268490051077. The next prime is 268490051101. The reversal of 268490051080 is 80150094862.

It is a happy number.

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, 4616985 + ... + 4674775.

It is an arithmetic number, because the mean of its divisors is an integer number (9937695600).

Almost surely, 2^268490051080 is an apocalyptic number.

268490051080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268490051080 is an abundant number, since it is smaller than the sum of its proper divisors (367522467320).

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

268490051080 is a wasteful number, since it uses less digits than its factorization.

268490051080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63934 (or 63930 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 268490051080 in words is "two hundred sixty-eight billion, four hundred ninety million, fifty-one thousand, eighty".