42144322443 has 8 divisors (see below), whose sum is σ = 56869447488. Its totient is φ = 27757706184.

The previous prime is 42144322399. The next prime is 42144322483. The reversal of 42144322443 is 34422344124.

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

It is not a de Polignac number, because 42144322443 - 2¹⁰ = 42144321419 is a prime.

It is a super-2 number, since 2×42144322443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144322483) 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, 84626905 + ... + 84627402.

It is an arithmetic number, because the mean of its divisors is an integer number (7108680936).

Almost surely, 2^42144322443 is an apocalyptic number.

42144322443 is a deficient number, since it is larger than the sum of its proper divisors (14725125045).

42144322443 is a wasteful number, since it uses less digits than its factorization.

42144322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169254393.

The product of its digits is 73728, while the sum is 33.

Adding to 42144322443 its reverse (34422344124), we get a palindrome (76566666567).

The spelling of 42144322443 in words is "forty-two billion, one hundred forty-four million, three hundred twenty-two thousand, four hundred forty-three".