442115005 has 16 divisors (see below), whose sum is σ = 581119920. Its totient is φ = 321405952.

The previous prime is 442114999. The next prime is 442115033. The reversal of 442115005 is 500511244.

It can be written as a sum of positive squares in 8 ways, for example, as 58660281 + 383454724 = 7659^2 + 19582^2 .

It is a cyclic number.

It is not a de Polignac number, because 442115005 - 2³ = 442114997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87214 + ... + 92143.

It is an arithmetic number, because the mean of its divisors is an integer number (36319995).

Almost surely, 2^442115005 is an apocalyptic number.

It is an amenable number.

442115005 is a deficient number, since it is larger than the sum of its proper divisors (139004915).

442115005 is a wasteful number, since it uses less digits than its factorization.

442115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179408.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 442115005 is about 21026.5309787421. The cubic root of 442115005 is about 761.8072209770.

Adding to 442115005 its reverse (500511244), we get a palindrome (942626249).

The spelling of 442115005 in words is "four hundred forty-two million, one hundred fifteen thousand, five".