42440013042 has 16 divisors (see below), whose sum is σ = 97005744192. Its totient is φ = 12125718000.

The previous prime is 42440013019. The next prime is 42440013101. The reversal of 42440013042 is 24031004424.

It is a happy number.

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, 505238209 + ... + 505238292.

It is an arithmetic number, because the mean of its divisors is an integer number (6062859012).

Almost surely, 2^42440013042 is an apocalyptic number.

42440013042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42440013042 is an abundant number, since it is smaller than the sum of its proper divisors (54565731150).

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

42440013042 is a wasteful number, since it uses less digits than its factorization.

42440013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010476513.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42440013042 its reverse (24031004424), we get a palindrome (66471017466).

The spelling of 42440013042 in words is "forty-two billion, four hundred forty million, thirteen thousand, forty-two".