265260240 has 120 divisors (see below), whose sum is σ = 1018113408. Its totient is φ = 60629760.

The previous prime is 265260223. The next prime is 265260241. The reversal of 265260240 is 42062562.

265260240 is a `hidden beast` number, since 2 + 6 + 52 + 602 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265260241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21276 + ... + 31355.

Almost surely, 2^265260240 is an apocalyptic number.

265260240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265260240 is an abundant number, since it is smaller than the sum of its proper divisors (752853168).

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

265260240 is a wasteful number, since it uses less digits than its factorization.

265260240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52657 (or 52648 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 265260240 is about 16286.8118427150. The cubic root of 265260240 is about 642.5260195269.

The spelling of 265260240 in words is "two hundred sixty-five million, two hundred sixty thousand, two hundred forty".