42440240442 has 16 divisors (see below), whose sum is σ = 84882573792. Its totient is φ = 14146398000.

The previous prime is 42440240413. The next prime is 42440240459. The reversal of 42440240442 is 24404204424.

42440240442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329817 + ... + 440067.

It is an arithmetic number, because the mean of its divisors is an integer number (5305160862).

Almost surely, 2^42440240442 is an apocalyptic number.

42440240442 is an abundant number, since it is smaller than the sum of its proper divisors (42442333350).

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

42440240442 is a wasteful number, since it uses less digits than its factorization.

42440240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174413.

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

Adding to 42440240442 its reverse (24404204424), we get a palindrome (66844444866).

The spelling of 42440240442 in words is "forty-two billion, four hundred forty million, two hundred forty thousand, four hundred forty-two".