242776545760225 has 24 divisors (see below), whose sum is σ = 314156079366912. Its totient is φ = 185762440300800.

The previous prime is 242776545760169. The next prime is 242776545760237. The reversal of 242776545760225 is 522067545677242.

It is not a de Polignac number, because 242776545760225 - 2¹⁹ = 242776545235937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8927352 + ... + 23775001.

It is an arithmetic number, because the mean of its divisors is an integer number (13089836640288).

Almost surely, 2^{242776545760225} is an apocalyptic number.

242776545760225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242776545760225 is a deficient number, since it is larger than the sum of its proper divisors (71379533606687).

242776545760225 is a wasteful number, since it uses less digits than its factorization.

242776545760225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32715297 (or 32715292 counting only the distinct ones).

The product of its (nonzero) digits is 395136000, while the sum is 64.

The spelling of 242776545760225 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, five hundred forty-five million, seven hundred sixty thousand, two hundred twenty-five".