543253212440 has 128 divisors (see below), whose sum is σ = 1302580699200. Its totient is φ = 203200757760.

The previous prime is 543253212427. The next prime is 543253212599. The reversal of 543253212440 is 44212352345.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 543253212440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115069280 + ... + 115074000.

Almost surely, 2^543253212440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543253212440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651290349600).

543253212440 is an abundant number, since it is smaller than the sum of its proper divisors (759327486760).

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

543253212440 is a wasteful number, since it uses less digits than its factorization.

543253212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 543253212440 its reverse (44212352345), we get a palindrome (587465564785).

The spelling of 543253212440 in words is "five hundred forty-three billion, two hundred fifty-three million, two hundred twelve thousand, four hundred forty".