265044553064 has 16 divisors (see below), whose sum is σ = 501783378720. Its totient is φ = 131235652080.

The previous prime is 265044553057. The next prime is 265044553073. The reversal of 265044553064 is 460355440562.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160827182 + ... + 160828829.

It is an arithmetic number, because the mean of its divisors is an integer number (31361461170).

Almost surely, 2^265044553064 is an apocalyptic number.

It is an amenable number.

265044553064 is a deficient number, since it is larger than the sum of its proper divisors (236738825656).

265044553064 is a wasteful number, since it uses less digits than its factorization.

265044553064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321656120 (or 321656116 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 265044553064 in words is "two hundred sixty-five billion, forty-four million, five hundred fifty-three thousand, sixty-four".