2543444443452 has 72 divisors (see below), whose sum is σ = 6587856562896. Its totient is φ = 763109600000.

The previous prime is 2543444443451. The next prime is 2543444443469.

It is a happy number.

2543444443452 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543444443451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8525049 + ... + 8818352.

It is an arithmetic number, because the mean of its divisors is an integer number (91498007818).

Almost surely, 2^{2543444443452} is an apocalyptic number.

2543444443452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2543444443452 is an abundant number, since it is smaller than the sum of its proper divisors (4044412119444).

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

2543444443452 is a wasteful number, since it uses less digits than its factorization.

2543444443452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343531 (or 17343518 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 48.

The spelling of 2543444443452 in words is "two trillion, five hundred forty-three billion, four hundred forty-four million, four hundred forty-three thousand, four hundred fifty-two".