2564852387328 has 2520 divisors, whose sum is σ = 10510998581160. Its totient is φ = 620786073600.

The previous prime is 2564852387311. The next prime is 2564852387371. The reversal of 2564852387328 is 8237832584652.

2564852387328 is a `hidden beast` number, since 2 + 5 + 6 + 4 + 8 + 523 + 87 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 251 ways as a sum of consecutive naturals, for example, 42046760418 + ... + 42046760478.

It is an arithmetic number, because the mean of its divisors is an integer number (4171031183).

Almost surely, 2^{2564852387328} is an apocalyptic number.

2564852387328 is a gapful number since it is divisible by the number (28) 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 2564852387328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5255499290580).

2564852387328 is an abundant number, since it is smaller than the sum of its proper divisors (7946146193832).

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

2564852387328 is an equidigital number, since it uses as much as digits as its factorization.

2564852387328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 103 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 63.

The spelling of 2564852387328 in words is "two trillion, five hundred sixty-four billion, eight hundred fifty-two million, three hundred eighty-seven thousand, three hundred twenty-eight".