2682640944 has 100 divisors (see below), whose sum is σ = 7777623480. Its totient is φ = 892684800.

The previous prime is 2682640927. The next prime is 2682640963. The reversal of 2682640944 is 4490462862.

It is a super-2 number, since 2×2682640944² = 14393124868850422272, 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 2682640944.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 956344 + ... + 959144.

Almost surely, 2^2682640944 is an apocalyptic number.

2682640944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2682640944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888811740).

2682640944 is an abundant number, since it is smaller than the sum of its proper divisors (5094982536).

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

2682640944 is a wasteful number, since it uses less digits than its factorization.

2682640944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 2682640944 is about 51794.2172833995. The cubic root of 2682640944 is about 1389.4860242814.

The spelling of 2682640944 in words is "two billion, six hundred eighty-two million, six hundred forty thousand, nine hundred forty-four".