2566044371280 has 640 divisors, whose sum is σ = 9174452797440. Its totient is φ = 588736512000.

The previous prime is 2566044371221. The next prime is 2566044371281. The reversal of 2566044371280 is 821734406652.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566044371281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 313271985 + ... + 313280175.

It is an arithmetic number, because the mean of its divisors is an integer number (14335082496).

Almost surely, 2^{2566044371280} is an apocalyptic number.

2566044371280 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 2566044371280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4587226398720).

2566044371280 is an abundant number, since it is smaller than the sum of its proper divisors (6608408426160).

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

2566044371280 is a wasteful number, since it uses less digits than its factorization.

2566044371280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371 (or 8365 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 2566044371280 in words is "two trillion, five hundred sixty-six billion, forty-four million, three hundred seventy-one thousand, two hundred eighty".