42144220443 has 8 divisors (see below), whose sum is σ = 60514778128. Its totient is φ = 25934904864.

The previous prime is 42144220387. The next prime is 42144220471. The reversal of 42144220443 is 34402244124.

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

It is not a de Polignac number, because 42144220443 - 2³² = 37849253147 is a prime.

It is a super-2 number, since 2×42144220443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42144220443.

It is not an unprimeable number, because it can be changed into a prime (42144220343) 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 7 ways as a sum of consecutive naturals, for example, 540310480 + ... + 540310557.

It is an arithmetic number, because the mean of its divisors is an integer number (7564347266).

Almost surely, 2^42144220443 is an apocalyptic number.

42144220443 is a deficient number, since it is larger than the sum of its proper divisors (18370557685).

42144220443 is a wasteful number, since it uses less digits than its factorization.

42144220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080621053.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42144220443 its reverse (34402244124), we get a palindrome (76546464567).

The spelling of 42144220443 in words is "forty-two billion, one hundred forty-four million, two hundred twenty thousand, four hundred forty-three".