2663630944 has 48 divisors (see below), whose sum is σ = 5691990528. Its totient is φ = 1219663872.

The previous prime is 2663630927. The next prime is 2663630971. The reversal of 2663630944 is 4490363662.

It is a super-2 number, since 2×2663630944² = 14189859611668662272, 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 2663630944.

It is a congruent number.

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, 27624 + ... + 78040.

It is an arithmetic number, because the mean of its divisors is an integer number (118583136).

Almost surely, 2^2663630944 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 2663630944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845995264).

2663630944 is an abundant number, since it is smaller than the sum of its proper divisors (3028359584).

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

2663630944 is a wasteful number, since it uses less digits than its factorization.

2663630944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50567 (or 50559 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The square root of 2663630944 is about 51610.3763210461. The cubic root of 2663630944 is about 1386.1961357611.

The spelling of 2663630944 in words is "two billion, six hundred sixty-three million, six hundred thirty thousand, nine hundred forty-four".