265393056 has 48 divisors (see below), whose sum is σ = 699608448. Its totient is φ = 88089600.

The previous prime is 265393049. The next prime is 265393099. The reversal of 265393056 is 650393562.

265393056 is digitally balanced in base 2, 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 (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17401 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (14575176).

Almost surely, 2^265393056 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 265393056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349804224).

265393056 is an abundant number, since it is smaller than the sum of its proper divisors (434215392).

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

265393056 is a wasteful number, since it uses less digits than its factorization.

265393056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725 (or 11717 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 265393056 is about 16290.8887418704. Note that the first 3 decimals coincide. The cubic root of 265393056 is about 642.6332393863.

The spelling of 265393056 in words is "two hundred sixty-five million, three hundred ninety-three thousand, fifty-six".