4944444444 has 72 divisors (see below), whose sum is σ = 12979145088. Its totient is φ = 1645887600.

The previous prime is 4944444431. The next prime is 4944444457. The reversal of 4944444444 is 4444444494.

It is an interprime number because it is at equal distance from previous prime (4944444431) and next prime (4944444457).

It is a nude number because it is divisible by every one of its digits.

4944444444 is a modest number, since divided by 444444 gives 4944 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4944444444.

It is a congruent number.

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, 800769 + ... + 806919.

It is an arithmetic number, because the mean of its divisors is an integer number (180265904).

Almost surely, 2^4944444444 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 4944444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6489572544).

4944444444 is an abundant number, since it is smaller than the sum of its proper divisors (8034700644).

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

4944444444 is a wasteful number, since it uses less digits than its factorization.

4944444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6983 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 45.

The square root of 4944444444 is about 70316.7436959363. The cubic root of 4944444444 is about 1703.6191000442.

The spelling of 4944444444 in words is "four billion, nine hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".