44420025 has 48 divisors (see below), whose sum is σ = 81869760. Its totient is φ = 21100800.

The previous prime is 44420011. The next prime is 44420063. The reversal of 44420025 is 52002444.

44420025 is a nontrivial binomial coefficient, being equal to C(9426, 2).

It is not a de Polignac number, because 44420025 - 2⁴ = 44420009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44419983 and 44420010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27490 + ... + 29060.

It is an arithmetic number, because the mean of its divisors is an integer number (1705620).

Almost surely, 2^44420025 is an apocalyptic number.

44420025 is the 9425-th triangular number and also the 4713-rd hexagonal number.

It is an amenable number.

44420025 is a deficient number, since it is larger than the sum of its proper divisors (37449735).

44420025 is a wasteful number, since it uses less digits than its factorization.

44420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44420025 is about 6664.8349566962. The cubic root of 44420025 is about 354.1546373461.

Adding to 44420025 its reverse (52002444), we get a palindrome (96422469).

The spelling of 44420025 in words is "forty-four million, four hundred twenty thousand, twenty-five".