438107880265 has 64 divisors (see below), whose sum is σ = 607579315200. Its totient is φ = 300244089600.

The previous prime is 438107880241. The next prime is 438107880319. The reversal of 438107880265 is 562088701834.

It is not a de Polignac number, because 438107880265 - 2⁵ = 438107880233 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 160418950 + ... + 160421680.

It is an arithmetic number, because the mean of its divisors is an integer number (9493426800).

Almost surely, 2^438107880265 is an apocalyptic number.

It is an amenable number.

438107880265 is a deficient number, since it is larger than the sum of its proper divisors (169471434935).

438107880265 is a wasteful number, since it uses less digits than its factorization.

438107880265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 438107880265 in words is "four hundred thirty-eight billion, one hundred seven million, eight hundred eighty thousand, two hundred sixty-five".