438548448 has 48 divisors (see below), whose sum is σ = 1239746256. Its totient is φ = 134937600.

The previous prime is 438548441. The next prime is 438548471. The reversal of 438548448 is 844845834.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 438548397 and 438548406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438548441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174453 + ... + 176948.

It is an arithmetic number, because the mean of its divisors is an integer number (25828047).

Almost surely, 2^438548448 is an apocalyptic number.

438548448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438548448 is an abundant number, since it is smaller than the sum of its proper divisors (801197808).

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

438548448 is a wasteful number, since it uses less digits than its factorization.

438548448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351427 (or 351419 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 48.

The square root of 438548448 is about 20941.5483668233. The cubic root of 438548448 is about 759.7531793146.

The spelling of 438548448 in words is "four hundred thirty-eight million, five hundred forty-eight thousand, four hundred forty-eight".