265140255055068 has 384 divisors, whose sum is σ = 751229966592000. Its totient is φ = 80687335680000.

The previous prime is 265140255055051. The next prime is 265140255055069. The reversal of 265140255055068 is 860550552041562.

265140255055068 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 4 + 0 + 25 + 5 + 0 + 550 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265140255055069) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 537671418 + ... + 538164318.

It is an arithmetic number, because the mean of its divisors is an integer number (1956328038000).

Almost surely, 2^{265140255055068} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265140255055068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375614983296000).

265140255055068 is an abundant number, since it is smaller than the sum of its proper divisors (486089711536932).

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

265140255055068 is a wasteful number, since it uses less digits than its factorization.

265140255055068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493114 (or 493106 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 265140255055068 in words is "two hundred sixty-five trillion, one hundred forty billion, two hundred fifty-five million, fifty-five thousand, sixty-eight".