2543481011400 has 192 divisors, whose sum is σ = 9024510430080. Its totient is φ = 580507699200.

The previous prime is 2543481011363. The next prime is 2543481011429. The reversal of 2543481011400 is 41101843452.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2396140 + ... + 3290660.

It is an arithmetic number, because the mean of its divisors is an integer number (47002658490).

Almost surely, 2^{2543481011400} is an apocalyptic number.

2543481011400 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 2543481011400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4512255215040).

2543481011400 is an abundant number, since it is smaller than the sum of its proper divisors (6481029418680).

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

2543481011400 is a wasteful number, since it uses less digits than its factorization.

2543481011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895224 (or 895215 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 2543481011400 its reverse (41101843452), we get a palindrome (2584582854852).

The spelling of 2543481011400 in words is "two trillion, five hundred forty-three billion, four hundred eighty-one million, eleven thousand, four hundred".