438080434480 has 120 divisors (see below), whose sum is σ = 1111601567232. Its totient is φ = 160478502912.

The previous prime is 438080434471. The next prime is 438080434501. The reversal of 438080434480 is 84434080834.

It is a self number, because there is not a number n which added to its sum of digits gives 438080434480.

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, 1589472 + ... + 1844608.

Almost surely, 2^438080434480 is an apocalyptic number.

438080434480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438080434480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555800783616).

438080434480 is an abundant number, since it is smaller than the sum of its proper divisors (673521132752).

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

438080434480 is a wasteful number, since it uses less digits than its factorization.

438080434480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255303 (or 255284 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 46.

The spelling of 438080434480 in words is "four hundred thirty-eight billion, eighty million, four hundred thirty-four thousand, four hundred eighty".