265640352402350 has 12 divisors (see below), whose sum is σ = 494091055468464. Its totient is φ = 106256140960920.

The previous prime is 265640352402281. The next prime is 265640352402353. The reversal of 265640352402350 is 53204253046562.

It is a junction number, because it is equal to n+sod(n) for n = 265640352402295 and 265640352402304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265640352402353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2656403523974 + ... + 2656403524073.

It is an arithmetic number, because the mean of its divisors is an integer number (41174254622372).

Almost surely, 2^{265640352402350} is an apocalyptic number.

265640352402350 is a deficient number, since it is larger than the sum of its proper divisors (228450703066114).

265640352402350 is a wasteful number, since it uses less digits than its factorization.

265640352402350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312807048059 (or 5312807048054 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 265640352402350 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, four hundred two thousand, three hundred fifty".