42044040231 has 8 divisors (see below), whose sum is σ = 56310105600. Its totient is φ = 27903667512.

The previous prime is 42044040223. The next prime is 42044040257. The reversal of 42044040231 is 13204044024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42044040231 - 2³ = 42044040223 is a prime.

It is a super-2 number, since 2×42044040231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044040271) 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, 31422381 + ... + 31423718.

It is an arithmetic number, because the mean of its divisors is an integer number (7038763200).

Almost surely, 2^42044040231 is an apocalyptic number.

42044040231 is a deficient number, since it is larger than the sum of its proper divisors (14266065369).

42044040231 is a wasteful number, since it uses less digits than its factorization.

42044040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62846325.

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

Adding to 42044040231 its reverse (13204044024), we get a palindrome (55248084255).

The spelling of 42044040231 in words is "forty-two billion, forty-four million, forty thousand, two hundred thirty-one".