242120482278 has 16 divisors (see below), whose sum is σ = 499861641216. Its totient is φ = 78103381320.

The previous prime is 242120482277. The next prime is 242120482319. The reversal of 242120482278 is 872284021242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242120482277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650861326 + ... + 650861697.

It is an arithmetic number, because the mean of its divisors is an integer number (31241352576).

Almost surely, 2^242120482278 is an apocalyptic number.

242120482278 is an abundant number, since it is smaller than the sum of its proper divisors (257741158938).

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

242120482278 is a wasteful number, since it uses less digits than its factorization.

242120482278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301723059.

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 242120482278 in words is "two hundred forty-two billion, one hundred twenty million, four hundred eighty-two thousand, two hundred seventy-eight".