5125816444 has 12 divisors (see below), whose sum is σ = 10251632944. Its totient is φ = 2196778464.

The previous prime is 5125816417. The next prime is 5125816457. The reversal of 5125816444 is 4446185215.

5125816444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5125816397 and 5125816406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91532409 + ... + 91532464.

Almost surely, 2^5125816444 is an apocalyptic number.

It is an amenable number.

5125816444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5125816444 is a wasteful number, since it uses less digits than its factorization.

5125816444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183064884 (or 183064882 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 5125816444 is about 71594.8073815413. The cubic root of 5125816444 is about 1724.2001690302.

The spelling of 5125816444 in words is "five billion, one hundred twenty-five million, eight hundred sixteen thousand, four hundred forty-four".