438948849834 has 24 divisors (see below), whose sum is σ = 1037515463712. Its totient is φ = 133014802920.

The previous prime is 438948849751. The next prime is 438948849847.

438948849834 is a `hidden beast` number, since 43 + 8 + 94 + 8 + 8 + 498 + 3 + 4 = 666.

438948849834 is nontrivially palindromic in base 10.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108456494 + ... + 1108456889.

It is an arithmetic number, because the mean of its divisors is an integer number (43229810988).

Almost surely, 2^438948849834 is an apocalyptic number.

438948849834 is an abundant number, since it is smaller than the sum of its proper divisors (598566613878).

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

438948849834 is a wasteful number, since it uses less digits than its factorization.

438948849834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216913402 (or 2216913399 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 72.

The spelling of 438948849834 in words is "four hundred thirty-eight billion, nine hundred forty-eight million, eight hundred forty-nine thousand, eight hundred thirty-four".