242250454215 has 64 divisors (see below), whose sum is σ = 536936094720. Its totient is φ = 100675509120.

The previous prime is 242250454213. The next prime is 242250454297. The reversal of 242250454215 is 512454052242.

242250454215 is a `hidden beast` number, since 2 + 4 + 225 + 0 + 4 + 5 + 421 + 5 = 666.

It is not a de Polignac number, because 242250454215 - 2¹ = 242250454213 is a prime.

It is a super-2 number, since 2×242250454215² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242250454215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242250454213) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 11641864 + ... + 11662653.

It is an arithmetic number, because the mean of its divisors is an integer number (8389626480).

Almost surely, 2^242250454215 is an apocalyptic number.

242250454215 is an abundant number, since it is smaller than the sum of its proper divisors (294685640505).

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

242250454215 is a wasteful number, since it uses less digits than its factorization.

242250454215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23304549 (or 23304543 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 242250454215 in words is "two hundred forty-two billion, two hundred fifty million, four hundred fifty-four thousand, two hundred fifteen".