2556083012 has 48 divisors (see below), whose sum is σ = 5357076480. Its totient is φ = 1043388192.

The previous prime is 2556083003. The next prime is 2556083039. The reversal of 2556083012 is 2103806552.

It is a self number, because there is not a number n which added to its sum of digits gives 2556083012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145613 + ... + 162219.

It is an arithmetic number, because the mean of its divisors is an integer number (111605760).

Almost surely, 2^2556083012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2556083012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678538240).

2556083012 is an abundant number, since it is smaller than the sum of its proper divisors (2800993468).

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

2556083012 is a wasteful number, since it uses less digits than its factorization.

2556083012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880 (or 16878 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2556083012 is about 50557.7196083842. The cubic root of 2556083012 is about 1367.2826975193.

Adding to 2556083012 its reverse (2103806552), we get a palindrome (4659889564).

The spelling of 2556083012 in words is "two billion, five hundred fifty-six million, eighty-three thousand, twelve".