4499642784 has 192 divisors, whose sum is σ = 15039440640. Its totient is φ = 1145733120.

The previous prime is 4499642783. The next prime is 4499642801. The reversal of 4499642784 is 4872469944.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4499642783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244464 + ... + 262224.

It is an arithmetic number, because the mean of its divisors is an integer number (78330420).

Almost surely, 2^4499642784 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 4499642784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7519720320).

4499642784 is an abundant number, since it is smaller than the sum of its proper divisors (10539797856).

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

4499642784 is a wasteful number, since it uses less digits than its factorization.

4499642784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823 (or 17815 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The square root of 4499642784 is about 67079.3767412906. The cubic root of 4499642784 is about 1650.9199380601.

The spelling of 4499642784 in words is "four billion, four hundred ninety-nine million, six hundred forty-two thousand, seven hundred eighty-four".