2551005340 has 24 divisors (see below), whose sum is σ = 5769197280. Its totient is φ = 941909568.

The previous prime is 2551005319. The next prime is 2551005377. The reversal of 2551005340 is 435001552.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4905520 + ... + 4906039.

It is an arithmetic number, because the mean of its divisors is an integer number (240383220).

Almost surely, 2^2551005340 is an apocalyptic number.

2551005340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551005340 is an abundant number, since it is smaller than the sum of its proper divisors (3218191940).

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

2551005340 is a wasteful number, since it uses less digits than its factorization.

2551005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811581 (or 9811579 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2551005340 is about 50507.4780601843. The cubic root of 2551005340 is about 1366.3767259872.

Adding to 2551005340 its reverse (435001552), we get a palindrome (2986006892).

The spelling of 2551005340 in words is "two billion, five hundred fifty-one million, five thousand, three hundred forty".