4144442725 has 12 divisors (see below), whose sum is σ = 5154645280. Its totient is φ = 3305530800.

The previous prime is 4144442719. The next prime is 4144442737. The reversal of 4144442725 is 5272444414.

It is not a de Polignac number, because 4144442725 - 2¹³ = 4144434533 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242145 + ... + 258694.

Almost surely, 2^4144442725 is an apocalyptic number.

It is an amenable number.

4144442725 is a deficient number, since it is larger than the sum of its proper divisors (1010202555).

4144442725 is a wasteful number, since it uses less digits than its factorization.

4144442725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501180 (or 501175 counting only the distinct ones).

The product of its digits is 143360, while the sum is 37.

The square root of 4144442725 is about 64377.3463650064. The cubic root of 4144442725 is about 1606.2829420891.

The spelling of 4144442725 in words is "four billion, one hundred forty-four million, four hundred forty-two thousand, seven hundred twenty-five".