242633821194 has 80 divisors (see below), whose sum is σ = 550677504960. Its totient is φ = 79843345920.

The previous prime is 242633821127. The next prime is 242633821207. The reversal of 242633821194 is 491128336242.

242633821194 is a `hidden beast` number, since 2 + 4 + 2 + 633 + 8 + 2 + 1 + 1 + 9 + 4 = 666.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 4066227 + ... + 4125465.

It is an arithmetic number, because the mean of its divisors is an integer number (6883468812).

Almost surely, 2^242633821194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242633821194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275338752480).

242633821194 is an abundant number, since it is smaller than the sum of its proper divisors (308043683766).

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

242633821194 is a wasteful number, since it uses less digits than its factorization.

242633821194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59577 (or 59568 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 242633821194 in words is "two hundred forty-two billion, six hundred thirty-three million, eight hundred twenty-one thousand, one hundred ninety-four".