242120545394 has 128 divisors (see below), whose sum is σ = 473807093760. Its totient is φ = 90219225600.

The previous prime is 242120545393. The next prime is 242120545427. The reversal of 242120545394 is 493545021242.

It is not an unprimeable number, because it can be changed into a prime (242120545393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75448862 + ... + 75452070.

It is an arithmetic number, because the mean of its divisors is an integer number (3701617920).

Almost surely, 2^242120545394 is an apocalyptic number.

242120545394 is a deficient number, since it is larger than the sum of its proper divisors (231686548366).

242120545394 is a wasteful number, since it uses less digits than its factorization.

242120545394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 242120545394 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, three hundred ninety-four".