2551243110 has 64 divisors (see below), whose sum is σ = 6632273088. Its totient is φ = 624351744.

The previous prime is 2551243109. The next prime is 2551243141. The reversal of 2551243110 is 113421552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48564 + ... + 86376.

It is an arithmetic number, because the mean of its divisors is an integer number (103629267).

Almost surely, 2^2551243110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551243110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316136544).

2551243110 is an abundant number, since it is smaller than the sum of its proper divisors (4081029978).

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

2551243110 is a wasteful number, since it uses less digits than its factorization.

2551243110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2551243110 is about 50509.8318152021. The cubic root of 2551243110 is about 1366.4191763492.

Adding to 2551243110 its reverse (113421552), we get a palindrome (2664664662).

The spelling of 2551243110 in words is "two billion, five hundred fifty-one million, two hundred forty-three thousand, one hundred ten".