265645651012230 has 64 divisors (see below), whose sum is σ = 651887964149760. Its totient is φ = 69263096063616.

The previous prime is 265645651012103. The next prime is 265645651012241. The reversal of 265645651012230 is 32210156546562.

It is a super-2 number, since 2×265645651012230² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265645651012230.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 543866437 + ... + 544354656.

It is an arithmetic number, because the mean of its divisors is an integer number (10185749439840).

Almost surely, 2^{265645651012230} is an apocalyptic number.

265645651012230 is an abundant number, since it is smaller than the sum of its proper divisors (386242313137530).

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

265645651012230 is a wasteful number, since it uses less digits than its factorization.

265645651012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088221285.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 265645651012230 in words is "two hundred sixty-five trillion, six hundred forty-five billion, six hundred fifty-one million, twelve thousand, two hundred thirty".