444330642 has 16 divisors (see below), whose sum is σ = 1015612992. Its totient is φ = 126951600.

The previous prime is 444330619. The next prime is 444330697. The reversal of 444330642 is 246033444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289609 + ... + 5289692.

It is an arithmetic number, because the mean of its divisors is an integer number (63475812).

Almost surely, 2^444330642 is an apocalyptic number.

444330642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444330642 is an abundant number, since it is smaller than the sum of its proper divisors (571282350).

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

444330642 is a wasteful number, since it uses less digits than its factorization.

444330642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579313.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 444330642 is about 21079.1518330316. The cubic root of 444330642 is about 763.0776871692.

The spelling of 444330642 in words is "four hundred forty-four million, three hundred thirty thousand, six hundred forty-two".