542399193618 has 32 divisors (see below), whose sum is σ = 1097070194880. Its totient is φ = 178754737920.

The previous prime is 542399193613. The next prime is 542399193631. The reversal of 542399193618 is 816391993245.

It is not an unprimeable number, because it can be changed into a prime (542399193613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9014373 + ... + 9074343.

It is an arithmetic number, because the mean of its divisors is an integer number (34283443590).

Almost surely, 2^542399193618 is an apocalyptic number.

542399193618 is an abundant number, since it is smaller than the sum of its proper divisors (554671001262).

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

542399193618 is a wasteful number, since it uses less digits than its factorization.

542399193618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77002.

The product of its digits is 12597120, while the sum is 60.

The spelling of 542399193618 in words is "five hundred forty-two billion, three hundred ninety-nine million, one hundred ninety-three thousand, six hundred eighteen".