265340426434355 has 32 divisors (see below), whose sum is σ = 325335225600000. Its totient is φ = 207658772618112.

The previous prime is 265340426434337. The next prime is 265340426434357. The reversal of 265340426434355 is 553434624043562.

It is a cyclic number.

It is not a de Polignac number, because 265340426434355 - 2¹⁴ = 265340426417971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265340426434355.

It is not an unprimeable number, because it can be changed into a prime (265340426434357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9495760514 + ... + 9495788456.

It is an arithmetic number, because the mean of its divisors is an integer number (10166725800000).

Almost surely, 2^{265340426434355} is an apocalyptic number.

265340426434355 is a deficient number, since it is larger than the sum of its proper divisors (59994799165645).

265340426434355 is a wasteful number, since it uses less digits than its factorization.

265340426434355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45443.

The product of its (nonzero) digits is 124416000, while the sum is 56.

The spelling of 265340426434355 in words is "two hundred sixty-five trillion, three hundred forty billion, four hundred twenty-six million, four hundred thirty-four thousand, three hundred fifty-five".