425005444 has 12 divisors (see below), whose sum is σ = 743904000. Its totient is φ = 212461448.

The previous prime is 425005439. The next prime is 425005453. The reversal of 425005444 is 444500524.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33957 + ... + 44755.

It is an arithmetic number, because the mean of its divisors is an integer number (61992000).

Almost surely, 2^425005444 is an apocalyptic number.

It is an amenable number.

425005444 is a deficient number, since it is larger than the sum of its proper divisors (318898556).

425005444 is a wasteful number, since it uses less digits than its factorization.

425005444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20642 (or 20640 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 425005444 is about 20615.6601640597. The cubic root of 425005444 is about 751.8505083293.

Adding to 425005444 its reverse (444500524), we get a palindrome (869505968).

The spelling of 425005444 in words is "four hundred twenty-five million, five thousand, four hundred forty-four".