2543432023660 has 96 divisors (see below), whose sum is σ = 6029200941120. Its totient is φ = 892768665600.

The previous prime is 2543432023619. The next prime is 2543432023663. The reversal of 2543432023660 is 663202343452.

It is not an unprimeable number, because it can be changed into a prime (2543432023663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26601540 + ... + 26696980.

It is an arithmetic number, because the mean of its divisors is an integer number (62804176470).

Almost surely, 2^{2543432023660} is an apocalyptic number.

2543432023660 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 2543432023660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014600470560).

2543432023660 is an abundant number, since it is smaller than the sum of its proper divisors (3485768917460).

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

2543432023660 is a wasteful number, since it uses less digits than its factorization.

2543432023660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99667 (or 99665 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 2543432023660 in words is "two trillion, five hundred forty-three billion, four hundred thirty-two million, twenty-three thousand, six hundred sixty".