265246264261264 has 120 divisors (see below), whose sum is σ = 607214770892352. Its totient is φ = 111266921525760.

The previous prime is 265246264261247. The next prime is 265246264261273. The reversal of 265246264261264 is 462162462642562.

It is a junction number, because it is equal to n+sod(n) for n = 265246264261199 and 265246264261208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130549614 + ... + 132565810.

Almost surely, 2^{265246264261264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265246264261264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303607385446176).

265246264261264 is an abundant number, since it is smaller than the sum of its proper divisors (341968506631088).

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

265246264261264 is a wasteful number, since it uses less digits than its factorization.

265246264261264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020665 (or 2020646 counting only the distinct ones).

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

The spelling of 265246264261264 in words is "two hundred sixty-five trillion, two hundred forty-six billion, two hundred sixty-four million, two hundred sixty-one thousand, two hundred sixty-four".