2040497899 has 12 divisors (see below), whose sum is σ = 2259015640. Its totient is φ = 1841637600.

The previous prime is 2040497891. The next prime is 2040497909. The reversal of 2040497899 is 9987940402.

It is a happy number.

It is not a de Polignac number, because 2040497899 - 2³ = 2040497891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040497891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43842 + ... + 77479.

Almost surely, 2^2040497899 is an apocalyptic number.

2040497899 is a deficient number, since it is larger than the sum of its proper divisors (218517741).

2040497899 is a wasteful number, since it uses less digits than its factorization.

2040497899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121482 (or 121471 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2040497899 is about 45171.8706608438. The cubic root of 2040497899 is about 1268.3683137206.

The spelling of 2040497899 in words is "two billion, forty million, four hundred ninety-seven thousand, eight hundred ninety-nine".