438513903874042 has 16 divisors (see below), whose sum is σ = 668884086259200. Its totient is φ = 215575766930160.

The previous prime is 438513903874021. The next prime is 438513903874061. The reversal of 438513903874042 is 240478309315834.

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, 5806247709 + ... + 5806323232.

It is an arithmetic number, because the mean of its divisors is an integer number (41805255391200).

Almost surely, 2^{438513903874042} is an apocalyptic number.

438513903874042 is a deficient number, since it is larger than the sum of its proper divisors (230370182385158).

438513903874042 is a wasteful number, since it uses less digits than its factorization.

438513903874042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612571261.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 438513903874042 in words is "four hundred thirty-eight trillion, five hundred thirteen billion, nine hundred three million, eight hundred seventy-four thousand, forty-two".