265300728 has 192 divisors, whose sum is σ = 862095360. Its totient is φ = 66528000.

The previous prime is 265300687. The next prime is 265300741. The reversal of 265300728 is 827003562.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629958 + ... + 630378.

It is an arithmetic number, because the mean of its divisors is an integer number (4490080).

Almost surely, 2^265300728 is an apocalyptic number.

265300728 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 265300728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431047680).

265300728 is an abundant number, since it is smaller than the sum of its proper divisors (596794632).

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

265300728 is a wasteful number, since it uses less digits than its factorization.

265300728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 265300728 is about 16288.0547641515. The cubic root of 265300728 is about 642.5587085195.

The spelling of 265300728 in words is "two hundred sixty-five million, three hundred thousand, seven hundred twenty-eight".