4044857225 has 12 divisors (see below), whose sum is σ = 5046398736. Its totient is φ = 3216030480.

The previous prime is 4044857189. The next prime is 4044857227. The reversal of 4044857225 is 5227584404.

It is a happy number.

It is not a de Polignac number, because 4044857225 - 2²² = 4040662921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044857227) 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, 492227 + ... + 500376.

It is an arithmetic number, because the mean of its divisors is an integer number (420533228).

Almost surely, 2^4044857225 is an apocalyptic number.

It is an amenable number.

4044857225 is a deficient number, since it is larger than the sum of its proper divisors (1001541511).

4044857225 is a wasteful number, since it uses less digits than its factorization.

4044857225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992776 (or 992771 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 4044857225 is about 63599.1920153079. The cubic root of 4044857225 is about 1593.3128749155.

The spelling of 4044857225 in words is "four billion, forty-four million, eight hundred fifty-seven thousand, two hundred twenty-five".