1432440225 has 36 divisors (see below), whose sum is σ = 2592149196. Its totient is φ = 756080640.

The previous prime is 1432440221. The next prime is 1432440287. The reversal of 1432440225 is 5220442341.

1432440225 is a `hidden beast` number, since 1 + 432 + 4 + 4 + 0 + 225 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2692881 + 1429747344 = 1641^2 + 37812^2 .

It is not a de Polignac number, because 1432440225 - 2² = 1432440221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1432440221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10992 + ... + 54641.

Almost surely, 2^1432440225 is an apocalyptic number.

1432440225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1432440225 is a deficient number, since it is larger than the sum of its proper divisors (1159708971).

1432440225 is a wasteful number, since it uses less digits than its factorization.

1432440225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65746 (or 65738 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1432440225 is about 37847.5920634325. The cubic root of 1432440225 is about 1127.2636495885.

Adding to 1432440225 its reverse (5220442341), we get a palindrome (6652882566).

The spelling of 1432440225 in words is "one billion, four hundred thirty-two million, four hundred forty thousand, two hundred twenty-five".