438984489834 has 48 divisors (see below), whose sum is σ = 1039462800480. Its totient is φ = 132786744480.

The previous prime is 438984489817. The next prime is 438984489851.

438984489834 is a `hidden beast` number, since 4 + 3 + 8 + 98 + 448 + 98 + 3 + 4 = 666.

438984489834 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (438984489817) and next prime (438984489851).

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, 1879924 + ... + 2100495.

It is an arithmetic number, because the mean of its divisors is an integer number (21655475010).

Almost surely, 2^438984489834 is an apocalyptic number.

438984489834 is an abundant number, since it is smaller than the sum of its proper divisors (600478310646).

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

438984489834 is a wasteful number, since it uses less digits than its factorization.

438984489834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980995 (or 3980992 counting only the distinct ones).

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

The spelling of 438984489834 in words is "four hundred thirty-eight billion, nine hundred eighty-four million, four hundred eighty-nine thousand, eight hundred thirty-four".