2551230320 has 60 divisors (see below), whose sum is σ = 6260302440. Its totient is φ = 966771072.

The previous prime is 2551230287. The next prime is 2551230337. The reversal of 2551230320 is 230321552.

It is a super-2 number, since 2×2551230320² = 13017552291374604800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15290 + ... + 73049.

It is an arithmetic number, because the mean of its divisors is an integer number (104338374).

Almost surely, 2^2551230320 is an apocalyptic number.

2551230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551230320 is an abundant number, since it is smaller than the sum of its proper divisors (3709072120).

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

2551230320 is a wasteful number, since it uses less digits than its factorization.

2551230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88390 (or 88365 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2551230320 is about 50509.7052060295. The cubic root of 2551230320 is about 1366.4168929486.

Adding to 2551230320 its reverse (230321552), we get a palindrome (2781551872).

The spelling of 2551230320 in words is "two billion, five hundred fifty-one million, two hundred thirty thousand, three hundred twenty".