4400004625 has 8 divisors (see below), whose sum is σ = 5491205928. Its totient is φ = 3520003600.

The previous prime is 4400004601. The next prime is 4400004641. The reversal of 4400004625 is 5264000044.

It can be written as a sum of positive squares in 4 ways, for example, as 669360384 + 3730644241 = 25872^2 + 61079^2 .

It is not a de Polignac number, because 4400004625 - 2¹⁵ = 4399971857 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4400004625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17599894 + ... + 17600143.

It is an arithmetic number, because the mean of its divisors is an integer number (686400741).

Almost surely, 2^4400004625 is an apocalyptic number.

It is an amenable number.

4400004625 is a deficient number, since it is larger than the sum of its proper divisors (1091201303).

4400004625 is an equidigital number, since it uses as much as digits as its factorization.

4400004625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35200052 (or 35200042 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4400004625 is about 66332.5306693481. The cubic root of 4400004625 is about 1638.6431153467.

Adding to 4400004625 its reverse (5264000044), we get a palindrome (9664004669).

The spelling of 4400004625 in words is "four billion, four hundred million, four thousand, six hundred twenty-five".