242464820646 has 8 divisors (see below), whose sum is σ = 484929641304. Its totient is φ = 80821606880.

The previous prime is 242464820641. The next prime is 242464820651. The reversal of 242464820646 is 646028464242.

It is an interprime number because it is at equal distance from previous prime (242464820641) and next prime (242464820651).

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

242464820646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242464820595 and 242464820604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242464820641) 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, 20205401715 + ... + 20205401726.

It is an arithmetic number, because the mean of its divisors is an integer number (60616205163).

Almost surely, 2^242464820646 is an apocalyptic number.

242464820646 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.

242464820646 is a wasteful number, since it uses less digits than its factorization.

242464820646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40410803446.

The product of its (nonzero) digits is 3538944, while the sum is 48.

The spelling of 242464820646 in words is "two hundred forty-two billion, four hundred sixty-four million, eight hundred twenty thousand, six hundred forty-six".