2543363280 has 320 divisors, whose sum is σ = 9041088000. Its totient is φ = 656916480.

The previous prime is 2543363267. The next prime is 2543363363. The reversal of 2543363280 is 823633452.

It is a happy number.

2543363280 is a `hidden beast` number, since 2 + 543 + 3 + 6 + 32 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12780621 + ... + 12780819.

It is an arithmetic number, because the mean of its divisors is an integer number (28253400).

Almost surely, 2^2543363280 is an apocalyptic number.

2543363280 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 2543363280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4520544000).

2543363280 is an abundant number, since it is smaller than the sum of its proper divisors (6497724720).

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

2543363280 is a wasteful number, since it uses less digits than its factorization.

2543363280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2543363280 is about 50431.7685591136. The cubic root of 2543363280 is about 1365.0109406200.

The spelling of 2543363280 in words is "two billion, five hundred forty-three million, three hundred sixty-three thousand, two hundred eighty".