265628608 has 84 divisors (see below), whose sum is σ = 622322352. Its totient is φ = 112143360.

The previous prime is 265628591. The next prime is 265628609. The reversal of 265628608 is 806826562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265628609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222060 + ... + 223252.

Almost surely, 2^265628608 is an apocalyptic number.

265628608 is a gapful number since it is divisible by the number (28) 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 265628608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311161176).

265628608 is an abundant number, since it is smaller than the sum of its proper divisors (356693744).

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

265628608 is a wasteful number, since it uses less digits than its factorization.

265628608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 265628608 is about 16298.1167010179. The cubic root of 265628608 is about 642.8233081405.

The spelling of 265628608 in words is "two hundred sixty-five million, six hundred twenty-eight thousand, six hundred eight".