2040436225 has 24 divisors (see below), whose sum is σ = 2625427448. Its totient is φ = 1571788800.

The previous prime is 2040436207. The next prime is 2040436231. The reversal of 2040436225 is 5226340402.

It can be written as a sum of positive squares in 12 ways, for example, as 611671824 + 1428764401 = 24732^2 + 37799^2 .

It is not a de Polignac number, because 2040436225 - 2⁵ = 2040436193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040436193 and 2040436202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78355 + ... + 101095.

Almost surely, 2^2040436225 is an apocalyptic number.

2040436225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040436225 is a deficient number, since it is larger than the sum of its proper divisors (584991223).

2040436225 is a wasteful number, since it uses less digits than its factorization.

2040436225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22885 (or 22880 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2040436225 is about 45171.1879963324. The cubic root of 2040436225 is about 1268.3555347912.

Adding to 2040436225 its reverse (5226340402), we get a palindrome (7266776627).

The spelling of 2040436225 in words is "two billion, forty million, four hundred thirty-six thousand, two hundred twenty-five".