265332449655 has 480 divisors, whose sum is σ = 616189026816. Its totient is φ = 107297229312.

The previous prime is 265332449651. The next prime is 265332449689. The reversal of 265332449655 is 556944233562.

265332449655 is a `hidden beast` number, since 2 + 6 + 533 + 2 + 4 + 49 + 65 + 5 = 666.

It is not a de Polignac number, because 265332449655 - 2² = 265332449651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265332449651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 5006272609 + ... + 5006272661.

Almost surely, 2^265332449655 is an apocalyptic number.

265332449655 is an abundant number, since it is smaller than the sum of its proper divisors (350856577161).

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

265332449655 is an frugal number, since it uses more digits than its factorization.

265332449655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 265332449655 in words is "two hundred sixty-five billion, three hundred thirty-two million, four hundred forty-nine thousand, six hundred fifty-five".