268744826980 has 24 divisors (see below), whose sum is σ = 644987585088. Its totient is φ = 92141083488.

The previous prime is 268744826969. The next prime is 268744826981. The reversal of 268744826980 is 89628447862.

It is not an unprimeable number, because it can be changed into a prime (268744826981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959802814 + ... + 959803093.

It is an arithmetic number, because the mean of its divisors is an integer number (26874482712).

Almost surely, 2^268744826980 is an apocalyptic number.

268744826980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268744826980 is an abundant number, since it is smaller than the sum of its proper divisors (376242758108).

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

268744826980 is a wasteful number, since it uses less digits than its factorization.

268744826980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919605923 (or 1919605921 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 268744826980 in words is "two hundred sixty-eight billion, seven hundred forty-four million, eight hundred twenty-six thousand, nine hundred eighty".