442155045225 has 96 divisors (see below), whose sum is σ = 767258035200. Its totient is φ = 224415360000.

The previous prime is 442155045181. The next prime is 442155045247. The reversal of 442155045225 is 522540551244.

It is not a de Polignac number, because 442155045225 - 2¹⁴ = 442155028841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34982607 + ... + 34995243.

It is an arithmetic number, because the mean of its divisors is an integer number (7992271200).

Almost surely, 2^442155045225 is an apocalyptic number.

It is an amenable number.

442155045225 is a deficient number, since it is larger than the sum of its proper divisors (325102989975).

442155045225 is a wasteful number, since it uses less digits than its factorization.

442155045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12931 (or 12926 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 442155045225 its reverse (522540551244), we get a palindrome (964695596469).

The spelling of 442155045225 in words is "four hundred forty-two billion, one hundred fifty-five million, forty-five thousand, two hundred twenty-five".