540123618 has 8 divisors (see below), whose sum is σ = 1080247248. Its totient is φ = 180041204.

The previous prime is 540123607. The next prime is 540123629. The reversal of 540123618 is 816321045.

It is an interprime number because it is at equal distance from previous prime (540123607) and next prime (540123629).

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

540123618 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 45010296 + ... + 45010307.

It is an arithmetic number, because the mean of its divisors is an integer number (135030906).

Almost surely, 2^540123618 is an apocalyptic number.

540123618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540123618 is a wasteful number, since it uses less digits than its factorization.

540123618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90020608.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 540123618 is about 23240.5597609008. The cubic root of 540123618 is about 814.3874192887.

It can be divided in two parts, 54012 and 3618, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 540123618 in words is "five hundred forty million, one hundred twenty-three thousand, six hundred eighteen".