3121044444 has 72 divisors (see below), whose sum is σ = 9045385440. Its totient is φ = 888855552.

The previous prime is 3121044439. The next prime is 3121044457. The reversal of 3121044444 is 4444401213.

3121044444 is a `hidden beast` number, since 3 + 1 + 210 + 4 + 4 + 444 = 666.

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, 59092 + ... + 98660.

Almost surely, 2^3121044444 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 3121044444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4522692720).

3121044444 is an abundant number, since it is smaller than the sum of its proper divisors (5924340996).

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

3121044444 is a wasteful number, since it uses less digits than its factorization.

3121044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39899 (or 39894 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 3121044444 is about 55866.3086663152. The cubic root of 3121044444 is about 1461.3917491391.

Adding to 3121044444 its reverse (4444401213), we get a palindrome (7565445657).

The spelling of 3121044444 in words is "three billion, one hundred twenty-one million, forty-four thousand, four hundred forty-four".