2566287360 has 1040 divisors, whose sum is σ = 11988478656. Its totient is φ = 509607936.

The previous prime is 2566287341. The next prime is 2566287443. The reversal of 2566287360 is 637826652.

It is a happy number.

2566287360 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 287 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (1040).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 150958072 + ... + 150958088.

Almost surely, 2^2566287360 is an apocalyptic number.

2566287360 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 2566287360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5994239328).

2566287360 is an abundant number, since it is smaller than the sum of its proper divisors (9422191296).

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

2566287360 is a wasteful number, since it uses less digits than its factorization.

2566287360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 2566287360 is about 50658.5368916237. The cubic root of 2566287360 is about 1369.0997619956.

The spelling of 2566287360 in words is "two billion, five hundred sixty-six million, two hundred eighty-seven thousand, three hundred sixty".