542404566 has 32 divisors (see below), whose sum is σ = 1314921600. Its totient is φ = 164364840.

The previous prime is 542404553. The next prime is 542404573. The reversal of 542404566 is 665404245.

542404566 is a `hidden beast` number, since 54 + 2 + 40 + 4 + 566 = 666.

542404566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 542404566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455976 + ... + 457163.

It is an arithmetic number, because the mean of its divisors is an integer number (41091300).

Almost surely, 2^542404566 is an apocalyptic number.

542404566 is an abundant number, since it is smaller than the sum of its proper divisors (772517034).

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

542404566 is a wasteful number, since it uses less digits than its factorization.

542404566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913161 (or 913155 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 542404566 is about 23289.5806316902. The cubic root of 542404566 is about 815.5321983462.

The spelling of 542404566 in words is "five hundred forty-two million, four hundred four thousand, five hundred sixty-six".