265305842272 has 96 divisors (see below), whose sum is σ = 560369329632. Its totient is φ = 123204009984.

The previous prime is 265305842261. The next prime is 265305842293. The reversal of 265305842272 is 272248503562.

It is a congruent number.

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, 18619983 + ... + 18634225.

It is an arithmetic number, because the mean of its divisors is an integer number (5837180517).

Almost surely, 2^265305842272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265305842272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280184664816).

265305842272 is an abundant number, since it is smaller than the sum of its proper divisors (295063487360).

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

265305842272 is a wasteful number, since it uses less digits than its factorization.

265305842272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14720 (or 14712 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 265305842272 in words is "two hundred sixty-five billion, three hundred five million, eight hundred forty-two thousand, two hundred seventy-two".