444353442 has 64 divisors (see below), whose sum is σ = 996409344. Its totient is φ = 131181120.

The previous prime is 444353423. The next prime is 444353453. The reversal of 444353442 is 244353444.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306363 + ... + 307809.

It is an arithmetic number, because the mean of its divisors is an integer number (15568896).

Almost surely, 2^444353442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444353442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498204672).

444353442 is an abundant number, since it is smaller than the sum of its proper divisors (552055902).

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

444353442 is a wasteful number, since it uses less digits than its factorization.

444353442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its digits is 92160, while the sum is 33.

The square root of 444353442 is about 21079.6926448181. The cubic root of 444353442 is about 763.0907389164.

The spelling of 444353442 in words is "four hundred forty-four million, three hundred fifty-three thousand, four hundred forty-two".