542342478 has 16 divisors (see below), whose sum is σ = 1085533056. Its totient is φ = 180639480.

The previous prime is 542342473. The next prime is 542342491. The reversal of 542342478 is 874243245.

It is a happy number.

542342478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542342473) 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, 26868 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (67845816).

Almost surely, 2^542342478 is an apocalyptic number.

542342478 is an abundant number, since it is smaller than the sum of its proper divisors (543190578).

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

542342478 is a wasteful number, since it uses less digits than its factorization.

542342478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70679.

The product of its digits is 215040, while the sum is 39.

The square root of 542342478 is about 23288.2476369520. The cubic root of 542342478 is about 815.5010796951.

The spelling of 542342478 in words is "five hundred forty-two million, three hundred forty-two thousand, four hundred seventy-eight".