2800031328 has 60 divisors (see below), whose sum is σ = 8234821980. Its totient is φ = 933342912.

The previous prime is 2800031317. The next prime is 2800031347. The reversal of 2800031328 is 8231300082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 537538 + ... + 542721.

It is an arithmetic number, because the mean of its divisors is an integer number (137247033).

Almost surely, 2^2800031328 is an apocalyptic number.

It is an amenable number.

2800031328 is an abundant number, since it is smaller than the sum of its proper divisors (5434790652).

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

2800031328 is a wasteful number, since it uses less digits than its factorization.

2800031328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080281 (or 1080264 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2800031328 is about 52915.3222422391. The cubic root of 2800031328 is about 1409.4650030071.

The spelling of 2800031328 in words is "two billion, eight hundred million, thirty-one thousand, three hundred twenty-eight".