542247444742245 has 96 divisors (see below), whose sum is σ = 984823635169920. Its totient is φ = 254388956659200.

The previous prime is 542247444742229. The next prime is 542247444742271.

542247444742245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542247444742245 - 2⁴ = 542247444742229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10150375 + ... + 34460484.

It is an arithmetic number, because the mean of its divisors is an integer number (10258579533020).

Almost surely, 2^{542247444742245} is an apocalyptic number.

542247444742245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542247444742245 is a deficient number, since it is larger than the sum of its proper divisors (442576190427675).

542247444742245 is a wasteful number, since it uses less digits than its factorization.

542247444742245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44611107 (or 44611096 counting only the distinct ones).

The product of its digits is 321126400, while the sum is 60.

The spelling of 542247444742245 in words is "five hundred forty-two trillion, two hundred forty-seven billion, four hundred forty-four million, seven hundred forty-two thousand, two hundred forty-five".