268528455439800 has 48 divisors (see below), whose sum is σ = 832438211865240. Its totient is φ = 71607588117120.

The previous prime is 268528455439693. The next prime is 268528455439807. The reversal of 268528455439800 is 8934554825862.

It is a super-2 number, since 2×268528455439800² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268528455439807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223773712267 + ... + 223773713466.

Almost surely, 2^{268528455439800} is an apocalyptic number.

268528455439800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268528455439800 is an abundant number, since it is smaller than the sum of its proper divisors (563909756425440).

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

268528455439800 is a wasteful number, since it uses less digits than its factorization.

268528455439800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447547425752 (or 447547425743 counting only the distinct ones).

The product of its (nonzero) digits is 663552000, while the sum is 69.

The spelling of 268528455439800 in words is "two hundred sixty-eight trillion, five hundred twenty-eight billion, four hundred fifty-five million, four hundred thirty-nine thousand, eight hundred".