2551310140 has 24 divisors (see below), whose sum is σ = 5407828272. Its totient is φ = 1010985600.

The previous prime is 2551310129. The next prime is 2551310143. The reversal of 2551310140 is 410131552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551310143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593961 + ... + 598240.

It is an arithmetic number, because the mean of its divisors is an integer number (225326178).

Almost surely, 2^2551310140 is an apocalyptic number.

2551310140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551310140 is an abundant number, since it is smaller than the sum of its proper divisors (2856518132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551310140 is a wasteful number, since it uses less digits than its factorization.

2551310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192317 (or 1192315 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2551310140 is about 50510.4953450271. The cubic root of 2551310140 is about 1366.4311431005.

Adding to 2551310140 its reverse (410131552), we get a palindrome (2961441692).

It can be divided in two parts, 25513 and 10140, that added together give a palindrome (35653).

The spelling of 2551310140 in words is "two billion, five hundred fifty-one million, three hundred ten thousand, one hundred forty".