268860978944 has 36 divisors (see below), whose sum is σ = 544681780104. Its totient is φ = 132424055808.

The previous prime is 268860978929. The next prime is 268860978959. The reversal of 268860978944 is 449879068862.

It is an interprime number because it is at equal distance from previous prime (268860978929) and next prime (268860978959).

It is a super-2 number, since 2×268860978944² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820447 + ... + 7854750.

Almost surely, 2^268860978944 is an apocalyptic number.

It is an amenable number.

268860978944 is an abundant number, since it is smaller than the sum of its proper divisors (275820801160).

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

268860978944 is an equidigital number, since it uses as much as digits as its factorization.

268860978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675280 (or 15675266 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 71.

The spelling of 268860978944 in words is "two hundred sixty-eight billion, eight hundred sixty million, nine hundred seventy-eight thousand, nine hundred forty-four".