444240130 has 32 divisors (see below), whose sum is σ = 824928624. Its totient is φ = 172118016.

The previous prime is 444240079. The next prime is 444240143. The reversal of 444240130 is 31042444.

It can be written as a sum of positive squares in 8 ways, for example, as 250557241 + 193682889 = 15829^2 + 13917^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83634 + ... + 88786.

Almost surely, 2^444240130 is an apocalyptic number.

444240130 is a deficient number, since it is larger than the sum of its proper divisors (380688494).

444240130 is a wasteful number, since it uses less digits than its factorization.

444240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 444240130 is about 21077.0047682302. The cubic root of 444240130 is about 763.0258696175.

Adding to 444240130 its reverse (31042444), we get a palindrome (475282574).

The spelling of 444240130 in words is "four hundred forty-four million, two hundred forty thousand, one hundred thirty".