2559427056 has 60 divisors (see below), whose sum is σ = 7181411640. Its totient is φ = 850930560.

The previous prime is 2559427007. The next prime is 2559427109. The reversal of 2559427056 is 6507249552.

2559427056 is a `hidden beast` number, since 2 + 5 + 594 + 2 + 7 + 0 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33171 + ... + 78861.

It is an arithmetic number, because the mean of its divisors is an integer number (119690194).

Almost surely, 2^2559427056 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 2559427056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3590705820).

2559427056 is an abundant number, since it is smaller than the sum of its proper divisors (4621984584).

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

2559427056 is a wasteful number, since it uses less digits than its factorization.

2559427056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46094 (or 46085 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 2559427056 is about 50590.7803458298. The cubic root of 2559427056 is about 1367.8786955125.

It can be divided in two parts, 25594 and 27056, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 2559427056 in words is "two billion, five hundred fifty-nine million, four hundred twenty-seven thousand, fifty-six".