438442519045 has 16 divisors (see below), whose sum is σ = 565605584640. Its totient is φ = 325223204544.

The previous prime is 438442519043. The next prime is 438442519051. The reversal of 438442519045 is 540915244834.

It is a cyclic number.

It is not a de Polignac number, because 438442519045 - 2¹ = 438442519043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438442519045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438442519043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49093242 + ... + 49102171.

It is an arithmetic number, because the mean of its divisors is an integer number (35350349040).

Almost surely, 2^438442519045 is an apocalyptic number.

It is an amenable number.

438442519045 is a deficient number, since it is larger than the sum of its proper divisors (127163065595).

438442519045 is a wasteful number, since it uses less digits than its factorization.

438442519045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98195484.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 438442519045 in words is "four hundred thirty-eight billion, four hundred forty-two million, five hundred nineteen thousand, forty-five".