280048832 has 28 divisors (see below), whose sum is σ = 635111760. Its totient is φ = 120020736.

The previous prime is 280048831. The next prime is 280048841. The reversal of 280048832 is 238840082.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 280048792 and 280048801.

It is not an unprimeable number, because it can be changed into a prime (280048831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312107 + ... + 313002.

Almost surely, 2^280048832 is an apocalyptic number.

It is an amenable number.

280048832 is an abundant number, since it is smaller than the sum of its proper divisors (355062928).

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

280048832 is an equidigital number, since it uses as much as digits as its factorization.

280048832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625128 (or 625118 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 280048832 is about 16734.6596021550. The cubic root of 280048832 is about 654.2512914247.

The spelling of 280048832 in words is "two hundred eighty million, forty-eight thousand, eight hundred thirty-two".