442144599 has 32 divisors (see below), whose sum is σ = 658366464. Its totient is φ = 262103040.

The previous prime is 442144589. The next prime is 442144607. The reversal of 442144599 is 995441244.

It is not a de Polignac number, because 442144599 - 2⁴ = 442144583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442144599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442144559) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 310002 + ... + 311424.

It is an arithmetic number, because the mean of its divisors is an integer number (20573952).

Almost surely, 2^442144599 is an apocalyptic number.

442144599 is a deficient number, since it is larger than the sum of its proper divisors (216221865).

442144599 is a wasteful number, since it uses less digits than its factorization.

442144599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its digits is 207360, while the sum is 42.

The square root of 442144599 is about 21027.2346969353. The cubic root of 442144599 is about 761.8242183793.

The spelling of 442144599 in words is "four hundred forty-two million, one hundred forty-four thousand, five hundred ninety-nine".