265063680 has 432 divisors, whose sum is σ = 1109646720. Its totient is φ = 57065472.

The previous prime is 265063679. The next prime is 265063681. The reversal of 265063680 is 86360562.

It is an interprime number because it is at equal distance from previous prime (265063679) and next prime (265063681).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265063681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1532074 + ... + 1532246.

Almost surely, 2^265063680 is an apocalyptic number.

265063680 is a gapful number since it is divisible by the number (20) 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 265063680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554823360).

265063680 is an abundant number, since it is smaller than the sum of its proper divisors (844583040).

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

265063680 is a wasteful number, since it uses less digits than its factorization.

265063680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 265063680 is about 16280.7763942633. The cubic root of 265063680 is about 642.3672746375.

The spelling of 265063680 in words is "two hundred sixty-five million, sixty-three thousand, six hundred eighty".