2040442093 has 2 divisors, whose sum is σ = 2040442094. Its totient is φ = 2040442092.

The previous prime is 2040442081. The next prime is 2040442123. The reversal of 2040442093 is 3902440402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1727399844 + 313042249 = 41562^2 + 17693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040442093 - 2⁹ = 2040441581 is a prime.

It is a super-3 number, since 3×2040442093³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040442003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020221046 + 1020221047.

It is an arithmetic number, because the mean of its divisors is an integer number (1020221047).

Almost surely, 2^2040442093 is an apocalyptic number.

It is an amenable number.

2040442093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040442093 is an equidigital number, since it uses as much as digits as its factorization.

2040442093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2040442093 is about 45171.2529491933. The cubic root of 2040442093 is about 1268.3567506592.

Adding to 2040442093 its reverse (3902440402), we get a palindrome (5942882495).

The spelling of 2040442093 in words is "two billion, forty million, four hundred forty-two thousand, ninety-three".