542330406 has 12 divisors (see below), whose sum is σ = 1175049252. Its totient is φ = 180776796.

The previous prime is 542330387. The next prime is 542330431. The reversal of 542330406 is 604033245.

It is a self number, because there is not a number n which added to its sum of digits gives 542330406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15064716 + ... + 15064751.

It is an arithmetic number, because the mean of its divisors is an integer number (97920771).

Almost surely, 2^542330406 is an apocalyptic number.

542330406 is an abundant number, since it is smaller than the sum of its proper divisors (632718846).

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

542330406 is a wasteful number, since it uses less digits than its factorization.

542330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30129475 (or 30129472 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 542330406 is about 23287.9884489837. The cubic root of 542330406 is about 815.4950289047.

The spelling of 542330406 in words is "five hundred forty-two million, three hundred thirty thousand, four hundred six".