542042240245 has 16 divisors (see below), whose sum is σ = 726889464000. Its totient is φ = 384597596800.

The previous prime is 542042240231. The next prime is 542042240251.

It is a happy number.

542042240245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542042240245 - 2⁵ = 542042240213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542042240245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120184495 + ... + 120189004.

It is an arithmetic number, because the mean of its divisors is an integer number (45430591500).

Almost surely, 2^542042240245 is an apocalyptic number.

542042240245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542042240245 is a deficient number, since it is larger than the sum of its proper divisors (184847223755).

542042240245 is a wasteful number, since it uses less digits than its factorization.

542042240245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240373556.

The product of its (nonzero) digits is 102400, while the sum is 34.

It can be divided in two parts, 542042 and 240245, that added together give a palindrome (782287).

The spelling of 542042240245 in words is "five hundred forty-two billion, forty-two million, two hundred forty thousand, two hundred forty-five".