4418949672 has 96 divisors (see below), whose sum is σ = 12795382080. Its totient is φ = 1372838400.

The previous prime is 4418949649. The next prime is 4418949697. The reversal of 4418949672 is 2769498144.

4418949672 is a `hidden beast` number, since 4 + 4 + 1 + 89 + 496 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108547 + ... + 143597.

It is an arithmetic number, because the mean of its divisors is an integer number (133285230).

Almost surely, 2^4418949672 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 4418949672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397691040).

4418949672 is an abundant number, since it is smaller than the sum of its proper divisors (8376432408).

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

4418949672 is a wasteful number, since it uses less digits than its factorization.

4418949672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35183 (or 35176 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4418949672 is about 66475.1808722624. The cubic root of 4418949672 is about 1640.9915766362.

The spelling of 4418949672 in words is "four billion, four hundred eighteen million, nine hundred forty-nine thousand, six hundred seventy-two".