2040235889 has 2 divisors, whose sum is σ = 2040235890. Its totient is φ = 2040235888.

The previous prime is 2040235867. The next prime is 2040235957. The reversal of 2040235889 is 9885320402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116562225 + 923673664 = 33415^2 + 30392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040235889 - 2⁸ = 2040235633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040235849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020117944 + 1020117945.

It is an arithmetic number, because the mean of its divisors is an integer number (1020117945).

Almost surely, 2^2040235889 is an apocalyptic number.

It is an amenable number.

2040235889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040235889 is an equidigital number, since it uses as much as digits as its factorization.

2040235889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2040235889 is about 45168.9704221825. The cubic root of 2040235889 is about 1268.3140231465.

The spelling of 2040235889 in words is "two billion, forty million, two hundred thirty-five thousand, eight hundred eighty-nine".