542501618 has 16 divisors (see below), whose sum is σ = 822856320. Its totient is φ = 268224096.

The previous prime is 542501599. The next prime is 542501633. The reversal of 542501618 is 816105245.

542501618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181238 + ... + 184206.

It is an arithmetic number, because the mean of its divisors is an integer number (51428520).

Almost surely, 2^542501618 is an apocalyptic number.

542501618 is a deficient number, since it is larger than the sum of its proper divisors (280354702).

542501618 is a wasteful number, since it uses less digits than its factorization.

542501618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 542501618 is about 23291.6641311865. The cubic root of 542501618 is about 815.5808362791.

The spelling of 542501618 in words is "five hundred forty-two million, five hundred one thousand, six hundred eighteen".