542345406 has 16 divisors (see below), whose sum is σ = 1097760384. Its totient is φ = 178603544.

The previous prime is 542345399. The next prime is 542345411. The reversal of 542345406 is 604543245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544026 + ... + 545021.

It is an arithmetic number, because the mean of its divisors is an integer number (68610024).

Almost surely, 2^542345406 is an apocalyptic number.

542345406 is an abundant number, since it is smaller than the sum of its proper divisors (555414978).

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

542345406 is a wasteful number, since it uses less digits than its factorization.

542345406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089135.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 542345406 is about 23288.3105011935. The cubic root of 542345406 is about 815.5025472689.

The spelling of 542345406 in words is "five hundred forty-two million, three hundred forty-five thousand, four hundred six".