444142430 has 16 divisors (see below), whose sum is σ = 800520624. Its totient is φ = 177420480.

The previous prime is 444142429. The next prime is 444142441. The reversal of 444142430 is 34241444.

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 444142430.

It is a congruent number.

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, 21572 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (50032539).

Almost surely, 2^444142430 is an apocalyptic number.

444142430 is a deficient number, since it is larger than the sum of its proper divisors (356378194).

444142430 is a wasteful number, since it uses less digits than its factorization.

444142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59131.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 444142430 is about 21074.6869490391. The cubic root of 444142430 is about 762.9699290814.

Adding to 444142430 its reverse (34241444), we get a palindrome (478383874).

The spelling of 444142430 in words is "four hundred forty-four million, one hundred forty-two thousand, four hundred thirty".