442432255105 has 8 divisors (see below), whose sum is σ = 531015252264. Its totient is φ = 353881440000.

The previous prime is 442432255087. The next prime is 442432255117. The reversal of 442432255105 is 501552234244.

It can be written as a sum of positive squares in 4 ways, for example, as 212063934016 + 230368321089 = 460504^2 + 479967^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-442432255105 is a prime.

It is a super-2 number, since 2×442432255105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8015256 + ... + 8070265.

It is an arithmetic number, because the mean of its divisors is an integer number (66376906533).

Almost surely, 2^442432255105 is an apocalyptic number.

It is an amenable number.

442432255105 is a deficient number, since it is larger than the sum of its proper divisors (88582997159).

442432255105 is a wasteful number, since it uses less digits than its factorization.

442432255105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091027.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 442432255105 its reverse (501552234244), we get a palindrome (943984489349).

The spelling of 442432255105 in words is "four hundred forty-two billion, four hundred thirty-two million, two hundred fifty-five thousand, one hundred five".