543420444 has 192 divisors, whose sum is σ = 1612800000. Its totient is φ = 138910464.

The previous prime is 543420431. The next prime is 543420467. The reversal of 543420444 is 444024345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2730657 + ... + 2730855.

It is an arithmetic number, because the mean of its divisors is an integer number (8400000).

Almost surely, 2^543420444 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 543420444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806400000).

543420444 is an abundant number, since it is smaller than the sum of its proper divisors (1069379556).

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

543420444 is a wasteful number, since it uses less digits than its factorization.

543420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 543420444 is about 23311.3801393225. The cubic root of 543420444 is about 816.0410218228.

Adding to 543420444 its reverse (444024345), we get a palindrome (987444789).

It can be divided in two parts, 5434 and 20444, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 543420444 in words is "five hundred forty-three million, four hundred twenty thousand, four hundred forty-four".