442502544451999 has 32 divisors (see below), whose sum is σ = 453515870142720. Its totient is φ = 431646562593792.

The previous prime is 442502544451943. The next prime is 442502544452009. The reversal of 442502544451999 is 999154445205244.

It is a cyclic number.

It is not a de Polignac number, because 442502544451999 - 2¹⁵ = 442502544419231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442502544451909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8715286777 + ... + 8715337549.

It is an arithmetic number, because the mean of its divisors is an integer number (14172370941960).

Almost surely, 2^{442502544451999} is an apocalyptic number.

442502544451999 is a deficient number, since it is larger than the sum of its proper divisors (11013325690721).

442502544451999 is a wasteful number, since it uses less digits than its factorization.

442502544451999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53479.

The product of its (nonzero) digits is 373248000, while the sum is 67.

It can be divided in two parts, 44250 and 2544451999, that added together give a square (2544496249 = 50443²).

The spelling of 442502544451999 in words is "four hundred forty-two trillion, five hundred two billion, five hundred forty-four million, four hundred fifty-one thousand, nine hundred ninety-nine".