442255440001 has 16 divisors (see below), whose sum is σ = 450358072528. Its totient is φ = 434236723200.

The previous prime is 442255439999. The next prime is 442255440031. The reversal of 442255440001 is 100044552244.

It can be written as a sum of positive squares in 8 ways, for example, as 82254240000 + 360001200001 = 286800^2 + 600001^2 .

It is a cyclic number.

It is not a de Polignac number, because 442255440001 - 2¹ = 442255439999 is a prime.

It is a super-2 number, since 2×442255440001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442255440031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7361581 + ... + 7421413.

It is an arithmetic number, because the mean of its divisors is an integer number (28147379533).

Almost surely, 2^442255440001 is an apocalyptic number.

It is an amenable number.

442255440001 is a deficient number, since it is larger than the sum of its proper divisors (8102632527).

442255440001 is a wasteful number, since it uses less digits than its factorization.

442255440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60532.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 442255440001 its reverse (100044552244), we get a palindrome (542299992245).

The spelling of 442255440001 in words is "four hundred forty-two billion, two hundred fifty-five million, four hundred forty thousand, one".