268408345260 has 96 divisors (see below), whose sum is σ = 822913862400. Its totient is φ = 64826755840.

The previous prime is 268408345229. The next prime is 268408345273. The reversal of 268408345260 is 62543804862.

It is a super-2 number, since 2×268408345260² (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 31 ways as a sum of consecutive naturals, for example, 578370 + ... + 933449.

It is an arithmetic number, because the mean of its divisors is an integer number (8572019400).

Almost surely, 2^268408345260 is an apocalyptic number.

268408345260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268408345260 is an abundant number, since it is smaller than the sum of its proper divisors (554505517140).

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

268408345260 is a wasteful number, since it uses less digits than its factorization.

268408345260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512111 (or 1512109 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 268408345260 in words is "two hundred sixty-eight billion, four hundred eight million, three hundred forty-five thousand, two hundred sixty".