44400025 has 12 divisors (see below), whose sum is σ = 55188432. Its totient is φ = 35434640.

The previous prime is 44400023. The next prime is 44400047. The reversal of 44400025 is 52000444.

It is not a de Polignac number, because 44400025 - 2¹ = 44400023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44399975 and 44400011.

It is not an unprimeable number, because it can be changed into a prime (44400023) 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, 9774 + ... + 13576.

It is an arithmetic number, because the mean of its divisors is an integer number (4599036).

Almost surely, 2^44400025 is an apocalyptic number.

It is an amenable number.

44400025 is a deficient number, since it is larger than the sum of its proper divisors (10788407).

44400025 is a wasteful number, since it uses less digits than its factorization.

44400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4275 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 44400025 is about 6663.3343755210. The cubic root of 44400025 is about 354.1014769674.

Adding to 44400025 its reverse (52000444), we get a palindrome (96400469).

The spelling of 44400025 in words is "forty-four million, four hundred thousand, twenty-five".