442523312355 has 16 divisors (see below), whose sum is σ = 708048810144. Its totient is φ = 236008596480.

The previous prime is 442523312353. The next prime is 442523312381. The reversal of 442523312355 is 553213325244.

It is not a de Polignac number, because 442523312355 - 2¹ = 442523312353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442523312353) 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, 883347 + ... + 1290483.

It is an arithmetic number, because the mean of its divisors is an integer number (44253050634).

Almost surely, 2^442523312355 is an apocalyptic number.

442523312355 is a deficient number, since it is larger than the sum of its proper divisors (265525497789).

442523312355 is a wasteful number, since it uses less digits than its factorization.

442523312355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479606.

The product of its digits is 432000, while the sum is 39.

Adding to 442523312355 its reverse (553213325244), we get a palindrome (995736637599).

The spelling of 442523312355 in words is "four hundred forty-two billion, five hundred twenty-three million, three hundred twelve thousand, three hundred fifty-five".