265872875520 has 896 divisors, whose sum is σ = 1032742379520. Its totient is φ = 57094963200.

The previous prime is 265872875509. The next prime is 265872875581. The reversal of 265872875520 is 25578278562.

265872875520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (896).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1760747445 + ... + 1760747595.

Almost surely, 2^265872875520 is an apocalyptic number.

265872875520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265872875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516371189760).

265872875520 is an abundant number, since it is smaller than the sum of its proper divisors (766869504000).

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

265872875520 is a wasteful number, since it uses less digits than its factorization.

265872875520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 265872875520 in words is "two hundred sixty-five billion, eight hundred seventy-two million, eight hundred seventy-five thousand, five hundred twenty".