2040694403 has 12 divisors (see below), whose sum is σ = 2263670640. Its totient is φ = 1838144880.

The previous prime is 2040694393. The next prime is 2040694421. The reversal of 2040694403 is 3044960402.

It is not a de Polignac number, because 2040694403 - 2⁶ = 2040694339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040694403.

It is not an unprimeable number, because it can be changed into a prime (2040694463) 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, 64175 + ... + 90552.

It is an arithmetic number, because the mean of its divisors is an integer number (188639220).

Almost surely, 2^2040694403 is an apocalyptic number.

2040694403 is a deficient number, since it is larger than the sum of its proper divisors (222976237).

2040694403 is a wasteful number, since it uses less digits than its factorization.

2040694403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154858 (or 154847 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2040694403 is about 45174.0456789073. The cubic root of 2040694403 is about 1268.4090278762.

The spelling of 2040694403 in words is "two billion, forty million, six hundred ninety-four thousand, four hundred three".