542546672180 has 12 divisors (see below), whose sum is σ = 1139348011620. Its totient is φ = 217018668864.

The previous prime is 542546672179. The next prime is 542546672189. The reversal of 542546672180 is 81276645245.

It can be written as a sum of positive squares in 2 ways, for example, as 355566534436 + 186980137744 = 596294^2 + 432412^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542546672189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13563666785 + ... + 13563666824.

It is an arithmetic number, because the mean of its divisors is an integer number (94945667635).

Almost surely, 2^542546672180 is an apocalyptic number.

It is an amenable number.

542546672180 is an abundant number, since it is smaller than the sum of its proper divisors (596801339440).

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

542546672180 is a wasteful number, since it uses less digits than its factorization.

542546672180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127333618 (or 27127333616 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 542546672180 in words is "five hundred forty-two billion, five hundred forty-six million, six hundred seventy-two thousand, one hundred eighty".