442255304453 has 16 divisors (see below), whose sum is σ = 468785775024. Its totient is φ = 415782420480.

The previous prime is 442255304423. The next prime is 442255304461. The reversal of 442255304453 is 354403552244.

It can be written as a sum of positive squares in 8 ways, for example, as 35591463649 + 406663840804 = 188657^2 + 637702^2 .

It is not a de Polignac number, because 442255304453 - 2³⁴ = 425075435269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442255304453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442255304423) 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, 81639401 + ... + 81644817.

It is an arithmetic number, because the mean of its divisors is an integer number (29299110939).

Almost surely, 2^442255304453 is an apocalyptic number.

It is an amenable number.

442255304453 is a deficient number, since it is larger than the sum of its proper divisors (26530470571).

442255304453 is a wasteful number, since it uses less digits than its factorization.

442255304453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 442255304453 its reverse (354403552244), we get a palindrome (796658856697).

The spelling of 442255304453 in words is "four hundred forty-two billion, two hundred fifty-five million, three hundred four thousand, four hundred fifty-three".