3231616444 has 36 divisors (see below), whose sum is σ = 6924900360. Its totient is φ = 1312083360.

The previous prime is 3231616439. The next prime is 3231616447. The reversal of 3231616444 is 4446161323.

3231616444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3231616444² = 20886689682262410272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231616447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430167 + ... + 437614.

Almost surely, 2^3231616444 is an apocalyptic number.

It is an amenable number.

3231616444 is an abundant number, since it is smaller than the sum of its proper divisors (3693283916).

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

3231616444 is a wasteful number, since it uses less digits than its factorization.

3231616444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867818 (or 867809 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 3231616444 is about 56847.3081508703. The cubic root of 3231616444 is about 1478.4498689465.

Adding to 3231616444 its reverse (4446161323), we get a palindrome (7677777767).

The spelling of 3231616444 in words is "three billion, two hundred thirty-one million, six hundred sixteen thousand, four hundred forty-four".