265640336246433 has 16 divisors (see below), whose sum is σ = 359414909824320. Its totient is φ = 174495745606656.

The previous prime is 265640336246419. The next prime is 265640336246443. The reversal of 265640336246433 is 334642633046562.

It is not a de Polignac number, because 265640336246433 - 2¹⁶ = 265640336180897 is a prime.

It is a super-2 number, since 2×265640336246433² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265640336246443) 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 15 ways as a sum of consecutive naturals, for example, 2010624228 + ... + 2010756341.

It is an arithmetic number, because the mean of its divisors is an integer number (22463431864020).

Almost surely, 2^{265640336246433} is an apocalyptic number.

It is an amenable number.

265640336246433 is a deficient number, since it is larger than the sum of its proper divisors (93774573577887).

265640336246433 is a wasteful number, since it uses less digits than its factorization.

265640336246433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021380896.

The product of its (nonzero) digits is 134369280, while the sum is 57.

The spelling of 265640336246433 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred thirty-six million, two hundred forty-six thousand, four hundred thirty-three".