543013440 has 112 divisors (see below), whose sum is σ = 1799100288. Its totient is φ = 138502144.

The previous prime is 543013433. The next prime is 543013441. The reversal of 543013440 is 44310345.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 543013440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543013441) 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, 9784 + ... + 34376.

Almost surely, 2^543013440 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 543013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899550144).

543013440 is an abundant number, since it is smaller than the sum of its proper divisors (1256086848).

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

543013440 is a wasteful number, since it uses less digits than its factorization.

543013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24636 (or 24626 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 543013440 is about 23302.6487764803. The cubic root of 543013440 is about 815.8372416639.

Adding to 543013440 its reverse (44310345), we get a palindrome (587323785).

The spelling of 543013440 in words is "five hundred forty-three million, thirteen thousand, four hundred forty".