2798440432 has 20 divisors (see below), whose sum is σ = 5596881856. Its totient is φ = 1354083840.

The previous prime is 2798440427. The next prime is 2798440451. The reversal of 2798440432 is 2340448972.

2798440432 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820513 + ... + 2821504.

Almost surely, 2^2798440432 is an apocalyptic number.

It is an amenable number.

2798440432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2798440432 is a wasteful number, since it uses less digits than its factorization.

2798440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642056 (or 5642050 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 2798440432 is about 52900.2876362690. The cubic root of 2798440432 is about 1409.1980134893.

The spelling of 2798440432 in words is "two billion, seven hundred ninety-eight million, four hundred forty thousand, four hundred thirty-two".