2543300402000 has 80 divisors (see below), whose sum is σ = 6511447539792. Its totient is φ = 957477785600.

The previous prime is 2543300401987. The next prime is 2543300402003. The reversal of 2543300402000 is 2040033452.

It can be written as a sum of positive squares in 8 ways, for example, as 818322870544 + 1724977531456 = 904612^2 + 1313384^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543300402003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37367477 + ... + 37435476.

Almost surely, 2^{2543300402000} is an apocalyptic number.

2543300402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543300402000 is an abundant number, since it is smaller than the sum of its proper divisors (3968147137792).

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

2543300402000 is a wasteful number, since it uses less digits than its factorization.

2543300402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74802993 (or 74802977 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 2543300402000 its reverse (2040033452), we get a palindrome (2545340435452).

The spelling of 2543300402000 in words is "two trillion, five hundred forty-three billion, three hundred million, four hundred two thousand".