2040451225 has 12 divisors (see below), whose sum is σ = 2539108816. Its totient is φ = 1626587280.

The previous prime is 2040451199. The next prime is 2040451253. The reversal of 2040451225 is 5221540402.

It is not a de Polignac number, because 2040451225 - 2¹⁹ = 2039926937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040451225.

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 11 ways as a sum of consecutive naturals, for example, 137127 + ... + 151276.

Almost surely, 2^2040451225 is an apocalyptic number.

2040451225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040451225 is a deficient number, since it is larger than the sum of its proper divisors (498657591).

2040451225 is a wasteful number, since it uses less digits than its factorization.

2040451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288696 (or 288691 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2040451225 is about 45171.3540310671. The cubic root of 2040451225 is about 1268.3586428335.

Adding to 2040451225 its reverse (5221540402), we get a palindrome (7261991627).

The spelling of 2040451225 in words is "two billion, forty million, four hundred fifty-one thousand, two hundred twenty-five".