268860952440 has 48 divisors (see below), whose sum is σ = 873798096600. Its totient is φ = 71696253888.

The previous prime is 268860952433. The next prime is 268860952453. The reversal of 268860952440 is 44259068862.

268860952440 is a `hidden beast` number, since 2 + 6 + 8 + 8 + 609 + 5 + 24 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373417630 + ... + 373418349.

Almost surely, 2^268860952440 is an apocalyptic number.

268860952440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268860952440 is an abundant number, since it is smaller than the sum of its proper divisors (604937144160).

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

268860952440 is a wasteful number, since it uses less digits than its factorization.

268860952440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746835996 (or 746835989 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 268860952440 in words is "two hundred sixty-eight billion, eight hundred sixty million, nine hundred fifty-two thousand, four hundred forty".