544440425 has 12 divisors (see below), whose sum is σ = 684616896. Its totient is φ = 429416400.

The previous prime is 544440397. The next prime is 544440427. The reversal of 544440425 is 524044445.

It is not a de Polignac number, because 544440425 - 2²⁸ = 276004969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544440391 and 544440400.

It is not an unprimeable number, because it can be changed into a prime (544440427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151589 + ... + 155138.

It is an arithmetic number, because the mean of its divisors is an integer number (57051408).

Almost surely, 2^544440425 is an apocalyptic number.

It is an amenable number.

544440425 is a deficient number, since it is larger than the sum of its proper divisors (140176471).

544440425 is a wasteful number, since it uses less digits than its factorization.

544440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306808 (or 306803 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 544440425 is about 23333.2472022220. The cubic root of 544440425 is about 816.5512627896.

The spelling of 544440425 in words is "five hundred forty-four million, four hundred forty thousand, four hundred twenty-five".