2992441644 has 30 divisors (see below), whose sum is σ = 7822834404. Its totient is φ = 997480440.

The previous prime is 2992441633. The next prime is 2992441667. The reversal of 2992441644 is 4461442992.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2992441644.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4617642 + ... + 4618289.

Almost surely, 2^2992441644 is an apocalyptic number.

It is an amenable number.

2992441644 is an abundant number, since it is smaller than the sum of its proper divisors (4830392760).

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

2992441644 is a wasteful number, since it uses less digits than its factorization.

2992441644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235947 (or 9235936 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 2992441644 is about 54703.2142017268. The cubic root of 2992441644 is about 1441.0373254843.

The spelling of 2992441644 in words is "two billion, nine hundred ninety-two million, four hundred forty-one thousand, six hundred forty-four".