2543225363400 has 192 divisors, whose sum is σ = 8282001168000. Its totient is φ = 644352501760.

The previous prime is 2543225363387. The next prime is 2543225363407. The reversal of 2543225363400 is 43635223452.

It is not an unprimeable number, because it can be changed into a prime (2543225363407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1437772 + ... + 2674628.

It is an arithmetic number, because the mean of its divisors is an integer number (43135422750).

Almost surely, 2^{2543225363400} is an apocalyptic number.

2543225363400 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 2543225363400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4141000584000).

2543225363400 is an abundant number, since it is smaller than the sum of its proper divisors (5738775804600).

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

2543225363400 is a wasteful number, since it uses less digits than its factorization.

2543225363400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237048 (or 1237039 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 2543225363400 in words is "two trillion, five hundred forty-three billion, two hundred twenty-five million, three hundred sixty-three thousand, four hundred".