2040430403 has 8 divisors (see below), whose sum is σ = 2227561776. Its totient is φ = 1853572000.

The previous prime is 2040430393. The next prime is 2040430429. The reversal of 2040430403 is 3040340402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040430403 - 2¹⁶ = 2040364867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040430433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52448 + ... + 82653.

It is an arithmetic number, because the mean of its divisors is an integer number (278445222).

Almost surely, 2^2040430403 is an apocalyptic number.

2040430403 is a deficient number, since it is larger than the sum of its proper divisors (187131373).

2040430403 is a wasteful number, since it uses less digits than its factorization.

2040430403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136485.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2040430403 is about 45171.1235525529. The cubic root of 2040430403 is about 1268.3543284523.

Adding to 2040430403 its reverse (3040340402), we get a palindrome (5080770805).

Subtracting 2040430403 from its reverse (3040340402), we obtain a palindrome (999909999).

The spelling of 2040430403 in words is "two billion, forty million, four hundred thirty thousand, four hundred three".