2556103340 has 96 divisors (see below), whose sum is σ = 6530678784. Its totient is φ = 820362240.

The previous prime is 2556103339. The next prime is 2556103369. The reversal of 2556103340 is 433016552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451769 + ... + 457391.

It is an arithmetic number, because the mean of its divisors is an integer number (68027904).

Almost surely, 2^2556103340 is an apocalyptic number.

2556103340 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 2556103340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265339392).

2556103340 is an abundant number, since it is smaller than the sum of its proper divisors (3974575444).

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

2556103340 is a wasteful number, since it uses less digits than its factorization.

2556103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847 (or 5845 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2556103340 is about 50557.9206455329. The cubic root of 2556103340 is about 1367.2863220820.

Adding to 2556103340 its reverse (433016552), we get a palindrome (2989119892).

The spelling of 2556103340 in words is "two billion, five hundred fifty-six million, one hundred three thousand, three hundred forty".