265633152 has 64 divisors (see below), whose sum is σ = 715599360. Its totient is φ = 87288320.

The previous prime is 265633111. The next prime is 265633157. The reversal of 265633152 is 251336562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265633157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22393 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 2^265633152 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 265633152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357799680).

265633152 is an abundant number, since it is smaller than the sum of its proper divisors (449966208).

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

265633152 is an equidigital number, since it uses as much as digits as its factorization.

265633152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9831 (or 9819 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 265633152 is about 16298.2561030314. The cubic root of 265633152 is about 642.8269736247.

The spelling of 265633152 in words is "two hundred sixty-five million, six hundred thirty-three thousand, one hundred fifty-two".