2551414240 has 96 divisors (see below), whose sum is σ = 6432441120. Its totient is φ = 953524224.

The previous prime is 2551414237. The next prime is 2551414253. The reversal of 2551414240 is 424141552.

It is a junction number, because it is equal to n+sod(n) for n = 2551414199 and 2551414208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216172 + ... + 227668.

It is an arithmetic number, because the mean of its divisors is an integer number (67004595).

Almost surely, 2^2551414240 is an apocalyptic number.

2551414240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551414240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3216220560).

2551414240 is an abundant number, since it is smaller than the sum of its proper divisors (3881026880).

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

2551414240 is a wasteful number, since it uses less digits than its factorization.

2551414240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11604 (or 11596 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2551414240 is about 50511.5258134220. The cubic root of 2551414240 is about 1366.4497274800.

Adding to 2551414240 its reverse (424141552), we get a palindrome (2975555792).

The spelling of 2551414240 in words is "two billion, five hundred fifty-one million, four hundred fourteen thousand, two hundred forty".