2555520244 has 24 divisors (see below), whose sum is σ = 4494963200. Its totient is φ = 1271259360.

The previous prime is 2555520173. The next prime is 2555520251. The reversal of 2555520244 is 4420255552.

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 7 ways as a sum of consecutive naturals, for example, 1125142 + ... + 1127410.

Almost surely, 2^2555520244 is an apocalyptic number.

It is an amenable number.

2555520244 is a deficient number, since it is larger than the sum of its proper divisors (1939442956).

2555520244 is a wasteful number, since it uses less digits than its factorization.

2555520244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 2555520244 is about 50552.1537028839. The cubic root of 2555520244 is about 1367.1823461324.

Adding to 2555520244 its reverse (4420255552), we get a palindrome (6975775796).

The spelling of 2555520244 in words is "two billion, five hundred fifty-five million, five hundred twenty thousand, two hundred forty-four".