268466788290 has 32 divisors (see below), whose sum is σ = 654882924096. Its totient is φ = 70417517760.

The previous prime is 268466788279. The next prime is 268466788307. The reversal of 268466788290 is 92887664862.

It is a super-2 number, since 2×268466788290² (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 15 ways as a sum of consecutive naturals, for example, 73349752 + ... + 73353411.

It is an arithmetic number, because the mean of its divisors is an integer number (20465091378).

Almost surely, 2^268466788290 is an apocalyptic number.

268466788290 is an abundant number, since it is smaller than the sum of its proper divisors (386416135806).

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

268466788290 is a wasteful number, since it uses less digits than its factorization.

268466788290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146703234.

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 268466788290 in words is "two hundred sixty-eight billion, four hundred sixty-six million, seven hundred eighty-eight thousand, two hundred ninety".