42244041 has 16 divisors (see below), whose sum is σ = 66449408. Its totient is φ = 23360400.

The previous prime is 42244009. The next prime is 42244057. The reversal of 42244041 is 14044224.

It is not a de Polignac number, because 42244041 - 2⁵ = 42244009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42243999 and 42244017.

It is not an unprimeable number, because it can be changed into a prime (42244001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31795 + ... + 33096.

It is an arithmetic number, because the mean of its divisors is an integer number (4153088).

Almost surely, 2^42244041 is an apocalyptic number.

It is an amenable number.

42244041 is a deficient number, since it is larger than the sum of its proper divisors (24205367).

42244041 is a wasteful number, since it uses less digits than its factorization.

42244041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64932.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 42244041 is about 6499.5415992207. The cubic root of 42244041 is about 348.2746131390.

Adding to 42244041 its reverse (14044224), we get a palindrome (56288265).

The spelling of 42244041 in words is "forty-two million, two hundred forty-four thousand, forty-one".