438465564834 has 48 divisors (see below), whose sum is σ = 964094787936. Its totient is φ = 132841434880.

The previous prime is 438465564811. The next prime is 438465564871.

438465564834 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3682477 + ... + 3799679.

It is an arithmetic number, because the mean of its divisors is an integer number (20085308082).

Almost surely, 2^438465564834 is an apocalyptic number.

438465564834 is an abundant number, since it is smaller than the sum of its proper divisors (525629223102).

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

438465564834 is a wasteful number, since it uses less digits than its factorization.

438465564834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122383 (or 122372 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 60.

The spelling of 438465564834 in words is "four hundred thirty-eight billion, four hundred sixty-five million, five hundred sixty-four thousand, eight hundred thirty-four".