265305480 has 64 divisors (see below), whose sum is σ = 868276800. Its totient is φ = 64316160.

The previous prime is 265305479. The next prime is 265305497. The reversal of 265305480 is 84503562.

265305480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99175 + ... + 101814.

It is an arithmetic number, because the mean of its divisors is an integer number (13566825).

Almost surely, 2^265305480 is an apocalyptic number.

265305480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265305480 is an abundant number, since it is smaller than the sum of its proper divisors (602971320).

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

265305480 is a wasteful number, since it uses less digits than its factorization.

265305480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201014 (or 201010 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 265305480 is about 16288.2006372711. The cubic root of 265305480 is about 642.5625449466.

The spelling of 265305480 in words is "two hundred sixty-five million, three hundred five thousand, four hundred eighty".