2042400311443 has 4 divisors (see below), whose sum is σ = 2131200325008. Its totient is φ = 1953600297880.

The previous prime is 2042400311359. The next prime is 2042400311473. The reversal of 2042400311443 is 3441130042402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042400311443 - 2⁹ = 2042400310931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042400311473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44400006748 + ... + 44400006793.

It is an arithmetic number, because the mean of its divisors is an integer number (532800081252).

Almost surely, 2^{2042400311443} is an apocalyptic number.

2042400311443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2042400311443 is a deficient number, since it is larger than the sum of its proper divisors (88800013565).

2042400311443 is an equidigital number, since it uses as much as digits as its factorization.

2042400311443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88800013564.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2042400311443 its reverse (3441130042402), we get a palindrome (5483530353845).

The spelling of 2042400311443 in words is "two trillion, forty-two billion, four hundred million, three hundred eleven thousand, four hundred forty-three".