242120543394 has 8 divisors (see below), whose sum is σ = 484241086800. Its totient is φ = 80706847796.

The previous prime is 242120543393. The next prime is 242120543437. The reversal of 242120543394 is 493345021242.

It is a sphenic number, since it is the product of 3 distinct primes.

242120543394 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (242120543393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20176711944 + ... + 20176711955.

It is an arithmetic number, because the mean of its divisors is an integer number (60530135850).

Almost surely, 2^242120543394 is an apocalyptic number.

242120543394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242120543394 is a wasteful number, since it uses less digits than its factorization.

242120543394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40353423904.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 242120543394 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-three thousand, three hundred ninety-four".