265652197872 has 40 divisors (see below), whose sum is σ = 686366545920. Its totient is φ = 88538040000.

The previous prime is 265652197793. The next prime is 265652197873. The reversal of 265652197872 is 278791256562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265652197873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55254 + ... + 730997.

It is an arithmetic number, because the mean of its divisors is an integer number (17159163648).

Almost surely, 2^265652197872 is an apocalyptic number.

It is an amenable number.

265652197872 is an abundant number, since it is smaller than the sum of its proper divisors (420714348048).

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

265652197872 is a wasteful number, since it uses less digits than its factorization.

265652197872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793301 (or 793295 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 60.

The spelling of 265652197872 in words is "two hundred sixty-five billion, six hundred fifty-two million, one hundred ninety-seven thousand, eight hundred seventy-two".