542046191830 has 64 divisors (see below), whose sum is σ = 1160067702528. Its totient is φ = 179753420160.

The previous prime is 542046191783. The next prime is 542046191873. The reversal of 542046191830 is 38191640245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2164764 + ... + 2402143.

It is an arithmetic number, because the mean of its divisors is an integer number (18126057852).

Almost surely, 2^542046191830 is an apocalyptic number.

542046191830 is an abundant number, since it is smaller than the sum of its proper divisors (618021510698).

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

542046191830 is a wasteful number, since it uses less digits than its factorization.

542046191830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567021.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 542046191830 in words is "five hundred forty-two billion, forty-six million, one hundred ninety-one thousand, eight hundred thirty".