442205440215 has 96 divisors (see below), whose sum is σ = 889267911168. Its totient is φ = 183676204800.

The previous prime is 442205440211. The next prime is 442205440273. The reversal of 442205440215 is 512044502244.

It is not a de Polignac number, because 442205440215 - 2² = 442205440211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442205440211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27066189 + ... + 27082521.

It is an arithmetic number, because the mean of its divisors is an integer number (9263207408).

Almost surely, 2^442205440215 is an apocalyptic number.

442205440215 is an abundant number, since it is smaller than the sum of its proper divisors (447062470953).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442205440215 is a wasteful number, since it uses less digits than its factorization.

442205440215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501 (or 18490 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 442205440215 its reverse (512044502244), we get a palindrome (954249942459).

The spelling of 442205440215 in words is "four hundred forty-two billion, two hundred five million, four hundred forty thousand, two hundred fifteen".