2040328897 has 2 divisors, whose sum is σ = 2040328898. Its totient is φ = 2040328896.

The previous prime is 2040328877. The next prime is 2040328921. The reversal of 2040328897 is 7988230402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1564914481 + 475414416 = 39559^2 + 21804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040328897 - 2⁷ = 2040328769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040328847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020164448 + 1020164449.

It is an arithmetic number, because the mean of its divisors is an integer number (1020164449).

Almost surely, 2^2040328897 is an apocalyptic number.

It is an amenable number.

2040328897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040328897 is an equidigital number, since it uses as much as digits as its factorization.

2040328897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2040328897 is about 45169.9999667921. Note that the first 4 decimals coincide. The cubic root of 2040328897 is about 1268.3332956824. Note that the first 3 decimals are identical.

The spelling of 2040328897 in words is "two billion, forty million, three hundred twenty-eight thousand, eight hundred ninety-seven".