542172276 has 18 divisors (see below), whose sum is σ = 1370491122. Its totient is φ = 180724080.

The previous prime is 542172269. The next prime is 542172289. The reversal of 542172276 is 672271245.

It is a happy number.

542172276 is a `hidden beast` number, since 5 + 421 + 7 + 227 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 534719376 + 7452900 = 23124^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15060341 = 542172276 / (5 + 4 + 2 + 1 + 7 + 2 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 542172276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7530135 + ... + 7530206.

Almost surely, 2^542172276 is an apocalyptic number.

It is an amenable number.

542172276 is an abundant number, since it is smaller than the sum of its proper divisors (828318846).

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

542172276 is a wasteful number, since it uses less digits than its factorization.

542172276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060351 (or 15060346 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 542172276 is about 23284.5931035953. The cubic root of 542172276 is about 815.4157618731.

The spelling of 542172276 in words is "five hundred forty-two million, one hundred seventy-two thousand, two hundred seventy-six".