542450166240 has 48 divisors (see below), whose sum is σ = 1708718025168. Its totient is φ = 144653377536.

The previous prime is 542450166227. The next prime is 542450166281. The reversal of 542450166240 is 42661054245.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 565051777 + ... + 565052736.

It is an arithmetic number, because the mean of its divisors is an integer number (35598292191).

Almost surely, 2^542450166240 is an apocalyptic number.

It is an amenable number.

542450166240 is an abundant number, since it is smaller than the sum of its proper divisors (1166267858928).

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

542450166240 is a wasteful number, since it uses less digits than its factorization.

542450166240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130104531 (or 1130104523 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 542450166240 in words is "five hundred forty-two billion, four hundred fifty million, one hundred sixty-six thousand, two hundred forty".