2040420403 has 16 divisors (see below), whose sum is σ = 2416564224. Its totient is φ = 1685882880.

The previous prime is 2040420401. The next prime is 2040420407. The reversal of 2040420403 is 3040240402.

It is a cyclic number.

It is not a de Polignac number, because 2040420403 - 2¹ = 2040420401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040420401) 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 in 15 ways as a sum of consecutive naturals, for example, 37476 + ... + 74062.

It is an arithmetic number, because the mean of its divisors is an integer number (151035264).

Almost surely, 2^2040420403 is an apocalyptic number.

2040420403 is a deficient number, since it is larger than the sum of its proper divisors (376143821).

2040420403 is a wasteful number, since it uses less digits than its factorization.

2040420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36882.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2040420403 is about 45171.0128622328. The cubic root of 2040420403 is about 1268.3522564117.

Adding to 2040420403 its reverse (3040240402), we get a palindrome (5080660805).

The spelling of 2040420403 in words is "two billion, forty million, four hundred twenty thousand, four hundred three".