265493760 has 432 divisors, whose sum is σ = 1056960576. Its totient is φ = 56426496.

The previous prime is 265493749. The next prime is 265493791. The reversal of 265493760 is 67394562.

265493760 is digitally balanced in base 3, 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3198679 + ... + 3198761.

It is an arithmetic number, because the mean of its divisors is an integer number (2446668).

Almost surely, 2^265493760 is an apocalyptic number.

265493760 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 265493760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528480288).

265493760 is an abundant number, since it is smaller than the sum of its proper divisors (791466816).

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

265493760 is a wasteful number, since it uses less digits than its factorization.

265493760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 265493760 is about 16293.9792561547. The cubic root of 265493760 is about 642.7145119900.

The spelling of 265493760 in words is "two hundred sixty-five million, four hundred ninety-three thousand, seven hundred sixty".