2566023544364 has 288 divisors, whose sum is σ = 5863490519040. Its totient is φ = 975383337600.

The previous prime is 2566023544319. The next prime is 2566023544393. The reversal of 2566023544364 is 4634453206652.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 531155429 + ... + 531160259.

It is an arithmetic number, because the mean of its divisors is an integer number (20359342080).

Almost surely, 2^{2566023544364} 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 2566023544364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931745259520).

2566023544364 is an abundant number, since it is smaller than the sum of its proper divisors (3297466974676).

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

2566023544364 is a wasteful number, since it uses less digits than its factorization.

2566023544364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 2566023544364 in words is "two trillion, five hundred sixty-six billion, twenty-three million, five hundred forty-four thousand, three hundred sixty-four".