42143400441 has 8 divisors (see below), whose sum is σ = 62434667360. Its totient is φ = 28095600276.

The previous prime is 42143400427. The next prime is 42143400463. The reversal of 42143400441 is 14400434124.

42143400441 is a `hidden beast` number, since 4 + 214 + 3 + 4 + 0 + 0 + 441 = 666.

It is not a de Polignac number, because 42143400441 - 2²⁹ = 41606529529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1560866683 = 42143400441 / (4 + 2 + 1 + 4 + 3 + 4 + 0 + 0 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42143401441) 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, 780433315 + ... + 780433368.

It is an arithmetic number, because the mean of its divisors is an integer number (7804333420).

Almost surely, 2^42143400441 is an apocalyptic number.

It is an amenable number.

42143400441 is a deficient number, since it is larger than the sum of its proper divisors (20291266919).

42143400441 is a wasteful number, since it uses less digits than its factorization.

42143400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560866692 (or 1560866686 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42143400441 its reverse (14400434124), we get a palindrome (56543834565).

The spelling of 42143400441 in words is "forty-two billion, one hundred forty-three million, four hundred thousand, four hundred forty-one".