438085374523502 has 16 divisors (see below), whose sum is σ = 685704361855392. Its totient is φ = 209517407093280.

The previous prime is 438085374523483. The next prime is 438085374523523. The reversal of 438085374523502 is 205325473580834.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32505893 + ... + 43963664.

It is an arithmetic number, because the mean of its divisors is an integer number (42856522615962).

Almost surely, 2^{438085374523502} is an apocalyptic number.

438085374523502 is a deficient number, since it is larger than the sum of its proper divisors (247618987331890).

438085374523502 is a wasteful number, since it uses less digits than its factorization.

438085374523502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76594123.

The product of its (nonzero) digits is 96768000, while the sum is 59.

The spelling of 438085374523502 in words is "four hundred thirty-eight trillion, eighty-five billion, three hundred seventy-four million, five hundred twenty-three thousand, five hundred two".