2551240004 has 12 divisors (see below), whose sum is σ = 4540342800. Its totient is φ = 1253999208.

The previous prime is 2551239967. The next prime is 2551240007. The reversal of 2551240004 is 4000421552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2551240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404934 + ... + 5405405.

It is an arithmetic number, because the mean of its divisors is an integer number (378361900).

Almost surely, 2^2551240004 is an apocalyptic number.

It is an amenable number.

2551240004 is a deficient number, since it is larger than the sum of its proper divisors (1989102796).

2551240004 is a wasteful number, since it uses less digits than its factorization.

2551240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810402 (or 10810400 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2551240004 is about 50509.8010687035. The cubic root of 2551240004 is about 1366.4186218353.

Adding to 2551240004 its reverse (4000421552), we get a palindrome (6551661556).

The spelling of 2551240004 in words is "two billion, five hundred fifty-one million, two hundred forty thousand, four".