5105420440444 has 6 divisors (see below), whose sum is σ = 8934485770784. Its totient is φ = 2552710220220.

The previous prime is 5105420440423. The next prime is 5105420440453. The reversal of 5105420440444 is 4440440245015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638177555052 + ... + 638177555059.

Almost surely, 2^{5105420440444} is an apocalyptic number.

It is an amenable number.

5105420440444 is a deficient number, since it is larger than the sum of its proper divisors (3829065330340).

5105420440444 is a wasteful number, since it uses less digits than its factorization.

5105420440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276355110115 (or 1276355110113 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 5105420440444 its reverse (4440440245015), we get a palindrome (9545860685459).

The spelling of 5105420440444 in words is "five trillion, one hundred five billion, four hundred twenty million, four hundred forty thousand, four hundred forty-four".