5144400232 has 8 divisors (see below), whose sum is σ = 9645750450. Its totient is φ = 2572200112.

The previous prime is 5144400227. The next prime is 5144400253. The reversal of 5144400232 is 2320044415.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5088539556 + 55860676 = 71334^2 + 7474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 5144400197 and 5144400206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321525007 + ... + 321525022.

Almost surely, 2^5144400232 is an apocalyptic number.

It is an amenable number.

5144400232 is a deficient number, since it is larger than the sum of its proper divisors (4501350218).

5144400232 is a wasteful number, since it uses less digits than its factorization.

5144400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643050035 (or 643050031 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5144400232 is about 71724.4744281894. The cubic root of 5144400232 is about 1726.2813675613.

Adding to 5144400232 its reverse (2320044415), we get a palindrome (7464444647).

The spelling of 5144400232 in words is "five billion, one hundred forty-four million, four hundred thousand, two hundred thirty-two".