42001214443 has 4 divisors (see below), whose sum is σ = 42408993328. Its totient is φ = 41593435560.

The previous prime is 42001214413. The next prime is 42001214477. The reversal of 42001214443 is 34441210024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42001214443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42001214413) 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, 203889288 + ... + 203889493.

It is an arithmetic number, because the mean of its divisors is an integer number (10602248332).

Almost surely, 2^42001214443 is an apocalyptic number.

42001214443 is a deficient number, since it is larger than the sum of its proper divisors (407778885).

42001214443 is a wasteful number, since it uses less digits than its factorization.

42001214443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407778884.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42001214443 its reverse (34441210024), we get a palindrome (76442424467).

The spelling of 42001214443 in words is "forty-two billion, one million, two hundred fourteen thousand, four hundred forty-three".