542424870 has 128 divisors (see below), whose sum is σ = 1625702400. Its totient is φ = 127695744.

The previous prime is 542424859. The next prime is 542424907. The reversal of 542424870 is 78424245.

542424870 is a `hidden beast` number, since 542 + 4 + 2 + 48 + 70 = 666.

It is a Curzon number.

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, 77371 + ... + 84089.

It is an arithmetic number, because the mean of its divisors is an integer number (12700800).

Almost surely, 2^542424870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542424870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812851200).

542424870 is an abundant number, since it is smaller than the sum of its proper divisors (1083277530).

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

542424870 is a wasteful number, since it uses less digits than its factorization.

542424870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6765 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 542424870 is about 23290.0165306940. The cubic root of 542424870 is about 815.5423742433.

The spelling of 542424870 in words is "five hundred forty-two million, four hundred twenty-four thousand, eight hundred seventy".