243815405622 has 8 divisors (see below), whose sum is σ = 487630811256. Its totient is φ = 81271801872.

The previous prime is 243815405593. The next prime is 243815405629. The reversal of 243815405622 is 226504518342.

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

243815405622 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243815405629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20317950463 + ... + 20317950474.

It is an arithmetic number, because the mean of its divisors is an integer number (60953851407).

Almost surely, 2^243815405622 is an apocalyptic number.

243815405622 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.

243815405622 is a wasteful number, since it uses less digits than its factorization.

243815405622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40635900942.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 243815405622 in words is "two hundred forty-three billion, eight hundred fifteen million, four hundred five thousand, six hundred twenty-two".