444001130 has 8 divisors (see below), whose sum is σ = 799202052. Its totient is φ = 177600448.

The previous prime is 444001123. The next prime is 444001133. The reversal of 444001130 is 31100444.

It can be written as a sum of positive squares in 2 ways, for example, as 427703761 + 16297369 = 20681^2 + 4037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 444001099 and 444001108.

It is not an unprimeable number, because it can be changed into a prime (444001133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22200047 + ... + 22200066.

Almost surely, 2^444001130 is an apocalyptic number.

444001130 is a deficient number, since it is larger than the sum of its proper divisors (355200922).

444001130 is a wasteful number, since it uses less digits than its factorization.

444001130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400120.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 444001130 is about 21071.3343194018. The cubic root of 444001130 is about 762.8890097798.

Adding to 444001130 its reverse (31100444), we get a palindrome (475101574).

The spelling of 444001130 in words is "four hundred forty-four million, one thousand, one hundred thirty".