2944216338 has 64 divisors (see below), whose sum is σ = 7107028992. Its totient is φ = 794914560.

The previous prime is 2944216333. The next prime is 2944216391. The reversal of 2944216338 is 8336124492.

It is a super-2 number, since 2×2944216338² = 17336819689892260488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 2944216338.

It is not an unprimeable number, because it can be changed into a prime (2944216333) 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, 61818 + ... + 98538.

It is an arithmetic number, because the mean of its divisors is an integer number (111047328).

Almost surely, 2^2944216338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2944216338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3553514496).

2944216338 is an abundant number, since it is smaller than the sum of its proper divisors (4162812654).

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

2944216338 is a wasteful number, since it uses less digits than its factorization.

2944216338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36839.

The product of its digits is 248832, while the sum is 42.

The square root of 2944216338 is about 54260.6334094986. The cubic root of 2944216338 is about 1433.2542539509.

The spelling of 2944216338 in words is "two billion, nine hundred forty-four million, two hundred sixteen thousand, three hundred thirty-eight".