42144402341 has 4 divisors (see below), whose sum is σ = 44362528800. Its totient is φ = 39926275884.

The previous prime is 42144402331. The next prime is 42144402367. The reversal of 42144402341 is 14320444124.

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-42144402341 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 (42144402331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109063201 + ... + 1109063238.

It is an arithmetic number, because the mean of its divisors is an integer number (11090632200).

Almost surely, 2^42144402341 is an apocalyptic number.

It is an amenable number.

42144402341 is a deficient number, since it is larger than the sum of its proper divisors (2218126459).

42144402341 is a wasteful number, since it uses less digits than its factorization.

42144402341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218126458.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42144402341 its reverse (14320444124), we get a palindrome (56464846465).

The spelling of 42144402341 in words is "forty-two billion, one hundred forty-four million, four hundred two thousand, three hundred forty-one".