442312213245 has 32 divisors (see below), whose sum is σ = 856375918848. Its totient is φ = 190305758208.

The previous prime is 442312213219. The next prime is 442312213247. The reversal of 442312213245 is 542312213244.

It is a happy number.

It is not a de Polignac number, because 442312213245 - 2⁶ = 442312213181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442312213247) 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, 123895194 + ... + 123898763.

It is an arithmetic number, because the mean of its divisors is an integer number (26761747464).

Almost surely, 2^442312213245 is an apocalyptic number.

It is an amenable number.

442312213245 is a deficient number, since it is larger than the sum of its proper divisors (414063705603).

442312213245 is a wasteful number, since it uses less digits than its factorization.

442312213245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247793989.

The product of its digits is 46080, while the sum is 33.

Adding to 442312213245 its reverse (542312213244), we get a palindrome (984624426489).

Subtracting 442312213245 from its reverse (542312213244), we obtain a palindrome (99999999999).

The spelling of 442312213245 in words is "four hundred forty-two billion, three hundred twelve million, two hundred thirteen thousand, two hundred forty-five".