265003488000 has 720 divisors, whose sum is σ = 1038256259040. Its totient is φ = 66935808000.

The previous prime is 265003487989. The next prime is 265003488023. The reversal of 265003488000 is 884300562.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×265003488000² (a number of 24 digits) contains 22 as substring.

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

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49245310 + ... + 49250690.

It is an arithmetic number, because the mean of its divisors is an integer number (1442022582).

Almost surely, 2^265003488000 is an apocalyptic number.

265003488000 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 265003488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519128129520).

265003488000 is an abundant number, since it is smaller than the sum of its proper divisors (773252771040).

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

265003488000 is an equidigital number, since it uses as much as digits as its factorization.

265003488000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 265003488000 its reverse (884300562), we get a palindrome (265887788562).

The spelling of 265003488000 in words is "two hundred sixty-five billion, three million, four hundred eighty-eight thousand".