542843728 has 120 divisors (see below), whose sum is σ = 1320502784. Its totient is φ = 211507200.

The previous prime is 542843713. The next prime is 542843729. The reversal of 542843728 is 827348245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542843729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003138 + ... + 1003678.

Almost surely, 2^542843728 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 542843728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660251392).

542843728 is an abundant number, since it is smaller than the sum of its proper divisors (777659056).

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

542843728 is a wasteful number, since it uses less digits than its factorization.

542843728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 598 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 542843728 is about 23299.0070174675. The cubic root of 542843728 is about 815.7522395954.

The spelling of 542843728 in words is "five hundred forty-two million, eight hundred forty-three thousand, seven hundred twenty-eight".