265275770564 has 96 divisors (see below), whose sum is σ = 582625209600. Its totient is φ = 105247296000.

The previous prime is 265275770549. The next prime is 265275770567. The reversal of 265275770564 is 465077572562.

265275770564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (265275770567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329539 + ... + 1515989.

It is an arithmetic number, because the mean of its divisors is an integer number (6069012600).

Almost surely, 2^265275770564 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 265275770564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291312604800).

265275770564 is an abundant number, since it is smaller than the sum of its proper divisors (317349439036).

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

265275770564 is a wasteful number, since it uses less digits than its factorization.

265275770564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186554 (or 186538 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 265275770564 in words is "two hundred sixty-five billion, two hundred seventy-five million, seven hundred seventy thousand, five hundred sixty-four".