2543032240000 has 160 divisors (see below), whose sum is σ = 7235109961200. Its totient is φ = 871896576000.

The previous prime is 2543032239973. The next prime is 2543032240009. The reversal of 2543032240000 is 422303452.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543032240009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1710565 + ... + 2830564.

Almost surely, 2^{2543032240000} is an apocalyptic number.

2543032240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543032240000 is an abundant number, since it is smaller than the sum of its proper divisors (4692077721200).

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

2543032240000 is an frugal number, since it uses more digits than its factorization.

2543032240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541170 (or 4541143 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 2543032240000 its reverse (422303452), we get a palindrome (2543454543452).

The spelling of 2543032240000 in words is "two trillion, five hundred forty-three billion, thirty-two million, two hundred forty thousand".