2505776056 has 64 divisors (see below), whose sum is σ = 5471167680. Its totient is φ = 1053665280.

The previous prime is 2505776003. The next prime is 2505776083. The reversal of 2505776056 is 6506775052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025070 + ... + 2026306.

It is an arithmetic number, because the mean of its divisors is an integer number (85486995).

Almost surely, 2^2505776056 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 2505776056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2735583840).

2505776056 is an abundant number, since it is smaller than the sum of its proper divisors (2965391624).

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

2505776056 is a wasteful number, since it uses less digits than its factorization.

2505776056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 2505776056 is about 50057.7272356626. The cubic root of 2505776056 is about 1358.2532462231.

The spelling of 2505776056 in words is "two billion, five hundred five million, seven hundred seventy-six thousand, fifty-six".