4427990784 has 216 divisors, whose sum is σ = 14794651872. Its totient is φ = 1247477760.

The previous prime is 4427990779. The next prime is 4427990789. The reversal of 4427990784 is 4870997244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4427990779) and next prime (4427990789).

It is a self number, because there is not a number n which added to its sum of digits gives 4427990784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427990789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1175464 + ... + 1179224.

Almost surely, 2^4427990784 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 4427990784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7397325936).

4427990784 is an abundant number, since it is smaller than the sum of its proper divisors (10366661088).

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

4427990784 is a wasteful number, since it uses less digits than its factorization.

4427990784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3846 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 4427990784 is about 66543.1497901925. The cubic root of 4427990784 is about 1642.1099631963.

The spelling of 4427990784 in words is "four billion, four hundred twenty-seven million, nine hundred ninety thousand, seven hundred eighty-four".