542236466618 has 32 divisors (see below), whose sum is σ = 1026888744960. Its totient is φ = 208586766960.

The previous prime is 542236466617. The next prime is 542236466659. The reversal of 542236466618 is 816664632245.

It is a self number, because there is not a number n which added to its sum of digits gives 542236466618.

It is not an unprimeable number, because it can be changed into a prime (542236466617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22272746 + ... + 22297077.

It is an arithmetic number, because the mean of its divisors is an integer number (32090273280).

Almost surely, 2^542236466618 is an apocalyptic number.

542236466618 is a deficient number, since it is larger than the sum of its proper divisors (484652278342).

542236466618 is a wasteful number, since it uses less digits than its factorization.

542236466618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44569922.

The product of its digits is 9953280, while the sum is 53.

The spelling of 542236466618 in words is "five hundred forty-two billion, two hundred thirty-six million, four hundred sixty-six thousand, six hundred eighteen".