2248640944 has 40 divisors (see below), whose sum is σ = 4765690512. Its totient is φ = 1019339520.

The previous prime is 2248640921. The next prime is 2248640963. The reversal of 2248640944 is 4490468422.

It is a super-2 number, since 2×2248640944² = 10112772190066422272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2248640944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48522 + ... + 82774.

Almost surely, 2^2248640944 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 2248640944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382845256).

2248640944 is an abundant number, since it is smaller than the sum of its proper divisors (2517049568).

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

2248640944 is a wasteful number, since it uses less digits than its factorization.

2248640944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34645 (or 34639 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 2248640944 is about 47419.8370305087. The cubic root of 2248640944 is about 1310.1068117946.

The spelling of 2248640944 in words is "two billion, two hundred forty-eight million, six hundred forty thousand, nine hundred forty-four".