438268808862834 has 32 divisors (see below), whose sum is σ = 928101864412800. Its totient is φ = 137495621290752.

The previous prime is 438268808862811. The next prime is 438268808862881.

438268808862834 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 438268808862834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22800907 + ... + 37368689.

It is an arithmetic number, because the mean of its divisors is an integer number (29003183262900).

Almost surely, 2^{438268808862834} is an apocalyptic number.

438268808862834 is an abundant number, since it is smaller than the sum of its proper divisors (489833055549966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438268808862834 is a wasteful number, since it uses less digits than its factorization.

438268808862834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862754.

The product of its (nonzero) digits is 5435817984, while the sum is 78.

The spelling of 438268808862834 in words is "four hundred thirty-eight trillion, two hundred sixty-eight billion, eight hundred eight million, eight hundred sixty-two thousand, eight hundred thirty-four".