2555320104 has 96 divisors (see below), whose sum is σ = 7040779200. Its totient is φ = 837070080.

The previous prime is 2555320093. The next prime is 2555320109. The reversal of 2555320104 is 4010235552.

It is a happy number.

2555320104 is a `hidden beast` number, since 2 + 5 + 553 + 2 + 0 + 104 = 666.

It is not an unprimeable number, because it can be changed into a prime (2555320109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2141332 + ... + 2142524.

It is an arithmetic number, because the mean of its divisors is an integer number (73341450).

Almost surely, 2^2555320104 is an apocalyptic number.

2555320104 is a gapful number since it is divisible by the number (24) 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 2555320104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520389600).

2555320104 is an abundant number, since it is smaller than the sum of its proper divisors (4485459096).

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

2555320104 is a wasteful number, since it uses less digits than its factorization.

2555320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2555320104 is about 50550.1741243292. The cubic root of 2555320104 is about 1367.1466541151.

Adding to 2555320104 its reverse (4010235552), we get a palindrome (6565555656).

The spelling of 2555320104 in words is "two billion, five hundred fifty-five million, three hundred twenty thousand, one hundred four".