442013244590 has 8 divisors (see below), whose sum is σ = 795623840280. Its totient is φ = 176805297832.

The previous prime is 442013244553. The next prime is 442013244599. The reversal of 442013244590 is 95442310244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442013244599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22100662220 + ... + 22100662239.

It is an arithmetic number, because the mean of its divisors is an integer number (99452980035).

Almost surely, 2^442013244590 is an apocalyptic number.

442013244590 is a deficient number, since it is larger than the sum of its proper divisors (353610595690).

442013244590 is a wasteful number, since it uses less digits than its factorization.

442013244590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44201324466.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 442013244590 in words is "four hundred forty-two billion, thirteen million, two hundred forty-four thousand, five hundred ninety".