542331894 has 64 divisors (see below), whose sum is σ = 1196052480. Its totient is φ = 162919680.

The previous prime is 542331863. The next prime is 542331901. The reversal of 542331894 is 498133245.

542331894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 878674 + ... + 879290.

It is an arithmetic number, because the mean of its divisors is an integer number (18688320).

Almost surely, 2^542331894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542331894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598026240).

542331894 is an abundant number, since it is smaller than the sum of its proper divisors (653720586).

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

542331894 is a wasteful number, since it uses less digits than its factorization.

542331894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its digits is 103680, while the sum is 39.

The square root of 542331894 is about 23288.0203967619. The cubic root of 542331894 is about 815.4957747326.

The spelling of 542331894 in words is "five hundred forty-two million, three hundred thirty-one thousand, eight hundred ninety-four".