542241487257 has 16 divisors (see below), whose sum is σ = 729814579200. Its totient is φ = 358081999632.

The previous prime is 542241487243. The next prime is 542241487259. The reversal of 542241487257 is 752784142245.

It is not a de Polignac number, because 542241487257 - 2¹⁰ = 542241486233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542241487259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3579744 + ... + 3728142.

It is an arithmetic number, because the mean of its divisors is an integer number (45613411200).

Almost surely, 2^542241487257 is an apocalyptic number.

It is an amenable number.

542241487257 is a deficient number, since it is larger than the sum of its proper divisors (187573091943).

542241487257 is a wasteful number, since it uses less digits than its factorization.

542241487257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159892.

The product of its digits is 5017600, while the sum is 51.

The spelling of 542241487257 in words is "five hundred forty-two billion, two hundred forty-one million, four hundred eighty-seven thousand, two hundred fifty-seven".