542656120131884 has 144 divisors (see below), whose sum is σ = 1119314144592000. Its totient is φ = 229194455592960.

The previous prime is 542656120131859. The next prime is 542656120131953. The reversal of 542656120131884 is 488131021656245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9875604842 + ... + 9875659790.

It is an arithmetic number, because the mean of its divisors is an integer number (7773014893000).

Almost surely, 2^{542656120131884} is an apocalyptic number.

It is an amenable number.

542656120131884 is an abundant number, since it is smaller than the sum of its proper divisors (576658024460116).

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

542656120131884 is a wasteful number, since it uses less digits than its factorization.

542656120131884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70264 (or 70251 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 542656120131884 in words is "five hundred forty-two trillion, six hundred fifty-six billion, one hundred twenty million, one hundred thirty-one thousand, eight hundred eighty-four".