42440013041 has 4 divisors (see below), whose sum is σ = 42466892400. Its totient is φ = 42413133684.

The previous prime is 42440013019. The next prime is 42440013101. The reversal of 42440013041 is 14031004424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42440013041 - 2¹⁸ = 42439750897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42440012998 and 42440013016.

It is not an unprimeable number, because it can be changed into a prime (42440018041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13437311 + ... + 13440468.

It is an arithmetic number, because the mean of its divisors is an integer number (10616723100).

Almost surely, 2^42440013041 is an apocalyptic number.

It is an amenable number.

42440013041 is a deficient number, since it is larger than the sum of its proper divisors (26879359).

42440013041 is a wasteful number, since it uses less digits than its factorization.

42440013041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26879358.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42440013041 its reverse (14031004424), we get a palindrome (56471017465).

The spelling of 42440013041 in words is "forty-two billion, four hundred forty million, thirteen thousand, forty-one".