444000051 has 12 divisors (see below), whose sum is σ = 699636600. Its totient is φ = 269090880.

The previous prime is 444000049. The next prime is 444000077. The reversal of 444000051 is 150000444.

It is not a de Polignac number, because 444000051 - 2¹ = 444000049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 443999988 and 444000033.

It is not an unprimeable number, because it can be changed into a prime (444000041) 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, 2242326 + ... + 2242523.

It is an arithmetic number, because the mean of its divisors is an integer number (58303050).

Almost surely, 2^444000051 is an apocalyptic number.

444000051 is a deficient number, since it is larger than the sum of its proper divisors (255636549).

444000051 is a wasteful number, since it uses less digits than its factorization.

444000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484866 (or 4484863 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 444000051 is about 21071.3087158819. The cubic root of 444000051 is about 762.8883917950. Note that the first 3 decimals are identical.

Adding to 444000051 its reverse (150000444), we get a palindrome (594000495).

The spelling of 444000051 in words is "four hundred forty-four million, fifty-one", and thus it is an aban number.