280056096 has 192 divisors, whose sum is σ = 903571200. Its totient is φ = 83939328.

The previous prime is 280056053. The next prime is 280056131. The reversal of 280056096 is 690650082.

280056096 is a `hidden beast` number, since 2 + 8 + 0 + 0 + 560 + 96 = 666.

It is a super-2 number, since 2×280056096² = 156862833813522432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 280056096.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337410 + ... + 338238.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2^280056096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280056096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451785600).

280056096 is an abundant number, since it is smaller than the sum of its proper divisors (623515104).

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

280056096 is a wasteful number, since it uses less digits than its factorization.

280056096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 280056096 is about 16734.8766353385. The cubic root of 280056096 is about 654.2569481051.

The spelling of 280056096 in words is "two hundred eighty million, fifty-six thousand, ninety-six".