242775754565625 has 36 divisors (see below), whose sum is σ = 438317058373740. Its totient is φ = 129480402420000.

The previous prime is 242775754565507. The next prime is 242775754565683. The reversal of 242775754565625 is 526565457577242.

242775754565625 is a `hidden beast` number, since 2 + 4 + 2 + 7 + 7 + 5 + 7 + 5 + 4 + 56 + 562 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 231629558023161 + 11146196542464 = 15219381^2 + 3338592^2 .

It is not a de Polignac number, because 242775754565625 - 2⁷ = 242775754565497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4315985290 + ... + 4316041539.

It is an arithmetic number, because the mean of its divisors is an integer number (12175473843715).

Almost surely, 2^{242775754565625} is an apocalyptic number.

242775754565625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242775754565625 is a deficient number, since it is larger than the sum of its proper divisors (195541303808115).

242775754565625 is an frugal number, since it uses more digits than its factorization.

242775754565625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632026860 (or 8632026837 counting only the distinct ones).

The product of its digits is 4939200000, while the sum is 72.

The spelling of 242775754565625 in words is "two hundred forty-two trillion, seven hundred seventy-five billion, seven hundred fifty-four million, five hundred sixty-five thousand, six hundred twenty-five".