265448560 has 40 divisors (see below), whose sum is σ = 664644960. Its totient is φ = 98011392.

The previous prime is 265448507. The next prime is 265448569. The reversal of 265448560 is 65844562.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265448569) 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, 126580 + ... + 128659.

It is an arithmetic number, because the mean of its divisors is an integer number (16616124).

Almost surely, 2^265448560 is an apocalyptic number.

265448560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265448560 is an abundant number, since it is smaller than the sum of its proper divisors (399196400).

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

265448560 is a wasteful number, since it uses less digits than its factorization.

265448560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255265 (or 255259 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 265448560 is about 16292.5921817248. The cubic root of 265448560 is about 642.6780361236.

The spelling of 265448560 in words is "two hundred sixty-five million, four hundred forty-eight thousand, five hundred sixty".