444404130 has 32 divisors (see below), whose sum is σ = 1072747584. Its totient is φ = 117821376.

The previous prime is 444404117. The next prime is 444404153. The reversal of 444404130 is 31404444.

It is a super-2 number, since 2×444404130² = 394990061522113800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444404130.

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, 37624 + ... + 48003.

It is an arithmetic number, because the mean of its divisors is an integer number (33523362).

Almost surely, 2^444404130 is an apocalyptic number.

444404130 is an abundant number, since it is smaller than the sum of its proper divisors (628343454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444404130 is a wasteful number, since it uses less digits than its factorization.

444404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85810.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444404130 is about 21080.8949051031. The cubic root of 444404130 is about 763.1197534118.

Adding to 444404130 its reverse (31404444), we get a palindrome (475808574).

The spelling of 444404130 in words is "four hundred forty-four million, four hundred four thousand, one hundred thirty".