265140646404466 has 16 divisors (see below), whose sum is σ = 455053504725504. Its totient is φ = 113500035022464.

The previous prime is 265140646404461. The next prime is 265140646404539. The reversal of 265140646404466 is 664404646041562.

It is a self number, because there is not a number n which added to its sum of digits gives 265140646404466.

It is not an unprimeable number, because it can be changed into a prime (265140646404461) 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 7 ways as a sum of consecutive naturals, for example, 10972535775 + ... + 10972559938.

It is an arithmetic number, because the mean of its divisors is an integer number (28440844045344).

Almost surely, 2^{265140646404466} is an apocalyptic number.

265140646404466 is a deficient number, since it is larger than the sum of its proper divisors (189912858321038).

265140646404466 is a wasteful number, since it uses less digits than its factorization.

265140646404466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21945096585.

The product of its (nonzero) digits is 79626240, while the sum is 58.

The spelling of 265140646404466 in words is "two hundred sixty-five trillion, one hundred forty billion, six hundred forty-six million, four hundred four thousand, four hundred sixty-six".