438085374511532 has 24 divisors (see below), whose sum is σ = 836402858376960. Its totient is φ = 199115893665360.

The previous prime is 438085374511523. The next prime is 438085374511537. The reversal of 438085374511532 is 235115473580834.

It is not an unprimeable number, because it can be changed into a prime (438085374511537) 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, 344909432 + ... + 346177247.

It is an arithmetic number, because the mean of its divisors is an integer number (34850119099040).

Almost surely, 2^{438085374511532} is an apocalyptic number.

It is an amenable number.

438085374511532 is a deficient number, since it is larger than the sum of its proper divisors (398317483865428).

438085374511532 is a wasteful number, since it uses less digits than its factorization.

438085374511532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691101101 (or 691101099 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 59.

The spelling of 438085374511532 in words is "four hundred thirty-eight trillion, eighty-five billion, three hundred seventy-four million, five hundred eleven thousand, five hundred thirty-two".