42001443440231 has 8 divisors (see below), whose sum is σ = 48515036273424. Its totient is φ = 35937063905920.

The previous prime is 42001443440227. The next prime is 42001443440273. The reversal of 42001443440231 is 13204434410024.

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

It is a cyclic number.

It is not a de Polignac number, because 42001443440231 - 2² = 42001443440227 is a prime.

It is a super-2 number, since 2×42001443440231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42001443440431) 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, 112303324520 + ... + 112303324893.

It is an arithmetic number, because the mean of its divisors is an integer number (6064379534178).

Almost surely, 2^{42001443440231} is an apocalyptic number.

42001443440231 is a deficient number, since it is larger than the sum of its proper divisors (6513592833193).

42001443440231 is a wasteful number, since it uses less digits than its factorization.

42001443440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224606649441.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 42001443440231 its reverse (13204434410024), we get a palindrome (55205877850255).

The spelling of 42001443440231 in words is "forty-two trillion, one billion, four hundred forty-three million, four hundred forty thousand, two hundred thirty-one".