2430644772 has 24 divisors (see below), whose sum is σ = 5672734816. Its totient is φ = 810039168.

The previous prime is 2430644747. The next prime is 2430644813. The reversal of 2430644772 is 2774460342.

It is a self number, because there is not a number n which added to its sum of digits gives 2430644772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43443 + ... + 82149.

Almost surely, 2^2430644772 is an apocalyptic number.

It is an amenable number.

2430644772 is an abundant number, since it is smaller than the sum of its proper divisors (3242090044).

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

2430644772 is a wasteful number, since it uses less digits than its factorization.

2430644772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43947 (or 43945 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

The square root of 2430644772 is about 49301.5696707519. The cubic root of 2430644772 is about 1344.5403222707.

The spelling of 2430644772 in words is "two billion, four hundred thirty million, six hundred forty-four thousand, seven hundred seventy-two".