444042330 has 16 divisors (see below), whose sum is σ = 1065701664. Its totient is φ = 118411280.

The previous prime is 444042317. The next prime is 444042349. The reversal of 444042330 is 33240444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444042330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7400676 + ... + 7400735.

It is an arithmetic number, because the mean of its divisors is an integer number (66606354).

Almost surely, 2^444042330 is an apocalyptic number.

444042330 is an abundant number, since it is smaller than the sum of its proper divisors (621659334).

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

444042330 is a wasteful number, since it uses less digits than its factorization.

444042330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801421.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 444042330 is about 21072.3119282152. The cubic root of 444042330 is about 762.9126058572.

Adding to 444042330 its reverse (33240444), we get a palindrome (477282774).

The spelling of 444042330 in words is "four hundred forty-four million, forty-two thousand, three hundred thirty".