442745968434 has 64 divisors (see below), whose sum is σ = 1139602563072. Its totient is φ = 111289305600.

The previous prime is 442745968433. The next prime is 442745968447. The reversal of 442745968434 is 434869547244.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442745968433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15442527 + ... + 15471170.

It is an arithmetic number, because the mean of its divisors is an integer number (17806290048).

Almost surely, 2^442745968434 is an apocalyptic number.

442745968434 is an abundant number, since it is smaller than the sum of its proper divisors (696856594638).

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

442745968434 is a wasteful number, since it uses less digits than its factorization.

442745968434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30913751.

The product of its digits is 92897280, while the sum is 60.

The spelling of 442745968434 in words is "four hundred forty-two billion, seven hundred forty-five million, nine hundred sixty-eight thousand, four hundred thirty-four".