542180660 has 96 divisors (see below), whose sum is σ = 1387507968. Its totient is φ = 173721600.

The previous prime is 542180659. The next prime is 542180689. The reversal of 542180660 is 66081245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372935 + ... + 374385.

It is an arithmetic number, because the mean of its divisors is an integer number (14453208).

Almost surely, 2^542180660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542180660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693753984).

542180660 is an abundant number, since it is smaller than the sum of its proper divisors (845327308).

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

542180660 is a wasteful number, since it uses less digits than its factorization.

542180660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 542180660 is about 23284.7731361076. The cubic root of 542180660 is about 815.4199649716.

The spelling of 542180660 in words is "five hundred forty-two million, one hundred eighty thousand, six hundred sixty".