2620288944 has 120 divisors (see below), whose sum is σ = 9025484832. Its totient is φ = 691061760.

The previous prime is 2620288933. The next prime is 2620288969. The reversal of 2620288944 is 4498820262.

It is a self number, because there is not a number n which added to its sum of digits gives 2620288944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86877 + ... + 113084.

Almost surely, 2^2620288944 is an apocalyptic number.

2620288944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2620288944 is an abundant number, since it is smaller than the sum of its proper divisors (6405195888).

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

2620288944 is a wasteful number, since it uses less digits than its factorization.

2620288944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199995 (or 199986 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2620288944 is about 51188.7579845419. The cubic root of 2620288944 is about 1378.6363593328.

The spelling of 2620288944 in words is "two billion, six hundred twenty million, two hundred eighty-eight thousand, nine hundred forty-four".