242004221352265 has 16 divisors (see below), whose sum is σ = 295885036070928. Its totient is φ = 189950078995456.

The previous prime is 242004221352259. The next prime is 242004221352317. The reversal of 242004221352265 is 562253122400242.

It can be written as a sum of positive squares in 8 ways, for example, as 9544312035769 + 232459909316496 = 3089387^2 + 15246636^2 .

It is a cyclic number.

It is not a de Polignac number, because 242004221352265 - 2⁴¹ = 239805198096713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210424029 + ... + 211570981.

It is an arithmetic number, because the mean of its divisors is an integer number (18492814754433).

Almost surely, 2^{242004221352265} is an apocalyptic number.

It is an amenable number.

242004221352265 is a deficient number, since it is larger than the sum of its proper divisors (53880814718663).

242004221352265 is a wasteful number, since it uses less digits than its factorization.

242004221352265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943228.

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 242004221352265 in words is "two hundred forty-two trillion, four billion, two hundred twenty-one million, three hundred fifty-two thousand, two hundred sixty-five".