542654866 has 8 divisors (see below), whose sum is σ = 876596364. Its totient is φ = 250456080.

The previous prime is 542654851. The next prime is 542654897. The reversal of 542654866 is 668456245.

It can be written as a sum of positive squares in 2 ways, for example, as 415303641 + 127351225 = 20379^2 + 11285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10435645 + ... + 10435696.

Almost surely, 2^542654866 is an apocalyptic number.

542654866 is a deficient number, since it is larger than the sum of its proper divisors (333941498).

542654866 is a wasteful number, since it uses less digits than its factorization.

542654866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20871356.

The product of its digits is 1382400, while the sum is 46.

The square root of 542654866 is about 23294.9536595375. The cubic root of 542654866 is about 815.6576252144.

The spelling of 542654866 in words is "five hundred forty-two million, six hundred fifty-four thousand, eight hundred sixty-six".