4411944438 has 128 divisors (see below), whose sum is σ = 10398620160. Its totient is φ = 1233792000.

The previous prime is 4411944413. The next prime is 4411944451. The reversal of 4411944438 is 8344491144.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4411944438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10479468 + ... + 10479888.

It is an arithmetic number, because the mean of its divisors is an integer number (81239220).

Almost surely, 2^4411944438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4411944438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5199310080).

4411944438 is an abundant number, since it is smaller than the sum of its proper divisors (5986675722).

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

4411944438 is a wasteful number, since it uses less digits than its factorization.

4411944438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its digits is 221184, while the sum is 42.

The square root of 4411944438 is about 66422.4693759574. The cubic root of 4411944438 is about 1640.1239790767.

It can be divided in two parts, 4411 and 944438, that added together give a palindrome (948849).

The spelling of 4411944438 in words is "four billion, four hundred eleven million, nine hundred forty-four thousand, four hundred thirty-eight".