2040142943 has 4 divisors (see below), whose sum is σ = 2040424848. Its totient is φ = 2039861040.

The previous prime is 2040142931. The next prime is 2040142967. The reversal of 2040142943 is 3492410402.

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 2040142943 - 2¹⁴ = 2040126559 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 (2040142913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129803 + ... + 144668.

It is an arithmetic number, because the mean of its divisors is an integer number (510106212).

Almost surely, 2^2040142943 is an apocalyptic number.

2040142943 is a deficient number, since it is larger than the sum of its proper divisors (281905).

2040142943 is an equidigital number, since it uses as much as digits as its factorization.

2040142943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281904.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2040142943 is about 45167.9415404333. The cubic root of 2040142943 is about 1268.2947628727.

The spelling of 2040142943 in words is "two billion, forty million, one hundred forty-two thousand, nine hundred forty-three".