42440204442 has 16 divisors (see below), whose sum is σ = 84885321312. Its totient is φ = 14145916080.

The previous prime is 42440204377. The next prime is 42440204447. The reversal of 42440204442 is 24440204424.

It is not an unprimeable number, because it can be changed into a prime (42440204447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87184 + ... + 304107.

It is an arithmetic number, because the mean of its divisors is an integer number (5305332582).

Almost surely, 2^42440204442 is an apocalyptic number.

42440204442 is an abundant number, since it is smaller than the sum of its proper divisors (42445116870).

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

42440204442 is a wasteful number, since it uses less digits than its factorization.

42440204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409373.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42440204442 its reverse (24440204424), we get a palindrome (66880408866).

The spelling of 42440204442 in words is "forty-two billion, four hundred forty million, two hundred four thousand, four hundred forty-two".