542428928 has 72 divisors (see below), whose sum is σ = 1157623488. Its totient is φ = 252772352.

The previous prime is 542428921. The next prime is 542428933. The reversal of 542428928 is 829824245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542428921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491225 + ... + 492327.

It is an arithmetic number, because the mean of its divisors is an integer number (16078104).

Almost surely, 2^542428928 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 542428928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578811744).

542428928 is an abundant number, since it is smaller than the sum of its proper divisors (615194560).

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

542428928 is a wasteful number, since it uses less digits than its factorization.

542428928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1235 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 542428928 is about 23290.1036494044. The cubic root of 542428928 is about 815.5444079890.

The spelling of 542428928 in words is "five hundred forty-two million, four hundred twenty-eight thousand, nine hundred twenty-eight".