42244000330421 has 4 divisors (see below), whose sum is σ = 42247672775232. Its totient is φ = 42240327885612.

The previous prime is 42244000330403. The next prime is 42244000330423. The reversal of 42244000330421 is 12403300044224.

42244000330421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-42244000330421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244000330423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836205151 + ... + 1836228156.

It is an arithmetic number, because the mean of its divisors is an integer number (10561918193808).

Almost surely, 2^{42244000330421} is an apocalyptic number.

It is an amenable number.

42244000330421 is a deficient number, since it is larger than the sum of its proper divisors (3672444811).

42244000330421 is a wasteful number, since it uses less digits than its factorization.

42244000330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672444810.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42244000330421 its reverse (12403300044224), we get a palindrome (54647300374645).

The spelling of 42244000330421 in words is "forty-two trillion, two hundred forty-four billion, three hundred thirty thousand, four hundred twenty-one".