280841192268 has 48 divisors (see below), whose sum is σ = 806518298880. Its totient is φ = 74068006464.

The previous prime is 280841192249. The next prime is 280841192273. The reversal of 280841192268 is 862291148082.

It is a self number, because there is not a number n which added to its sum of digits gives 280841192268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128589198 + ... + 128591381.

It is an arithmetic number, because the mean of its divisors is an integer number (16802464560).

Almost surely, 2^280841192268 is an apocalyptic number.

280841192268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

280841192268 is an abundant number, since it is smaller than the sum of its proper divisors (525677106612).

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

280841192268 is a wasteful number, since it uses less digits than its factorization.

280841192268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257180606 (or 257180604 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 280841192268 in words is "two hundred eighty billion, eight hundred forty-one million, one hundred ninety-two thousand, two hundred sixty-eight".