5121442444 has 12 divisors (see below), whose sum is σ = 8964555768. Its totient is φ = 2560140800.

The previous prime is 5121442411. The next prime is 5121442463. The reversal of 5121442444 is 4442441215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124942 + ... + 160789.

It is an arithmetic number, because the mean of its divisors is an integer number (747046314).

Almost surely, 2^5121442444 is an apocalyptic number.

It is an amenable number.

5121442444 is a deficient number, since it is larger than the sum of its proper divisors (3843113324).

5121442444 is a wasteful number, since it uses less digits than its factorization.

5121442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290216 (or 290214 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 5121442444 is about 71564.2539540517. The cubic root of 5121442444 is about 1723.7095936714.

Adding to 5121442444 its reverse (4442441215), we get a palindrome (9563883659).

The spelling of 5121442444 in words is "five billion, one hundred twenty-one million, four hundred forty-two thousand, four hundred forty-four".