2040431225 has 24 divisors (see below), whose sum is σ = 2899427520. Its totient is φ = 1395357120.

The previous prime is 2040431219. The next prime is 2040431291. The reversal of 2040431225 is 5221340402.

It is a happy number.

It is not a de Polignac number, because 2040431225 - 2⁴ = 2040431209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040431225.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 49646 + ... + 80904.

It is an arithmetic number, because the mean of its divisors is an integer number (120809480).

Almost surely, 2^2040431225 is an apocalyptic number.

2040431225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040431225 is a deficient number, since it is larger than the sum of its proper divisors (858996295).

2040431225 is a wasteful number, since it uses less digits than its factorization.

2040431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31649 (or 31644 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2040431225 is about 45171.1326512852. The cubic root of 2040431225 is about 1268.3544987737.

Adding to 2040431225 its reverse (5221340402), we get a palindrome (7261771627).

The spelling of 2040431225 in words is "two billion, forty million, four hundred thirty-one thousand, two hundred twenty-five".