438169248 has 72 divisors (see below), whose sum is σ = 1359330336. Its totient is φ = 132777600.

The previous prime is 438169231. The next prime is 438169307. The reversal of 438169248 is 842961834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

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, 65988 + ... + 72323.

It is an arithmetic number, because the mean of its divisors is an integer number (18879588).

Almost surely, 2^438169248 is an apocalyptic number.

438169248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438169248 is an abundant number, since it is smaller than the sum of its proper divisors (921161088).

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

438169248 is a wasteful number, since it uses less digits than its factorization.

438169248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138338 (or 138327 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 438169248 is about 20932.4926370464. The cubic root of 438169248 is about 759.5341373946.

The spelling of 438169248 in words is "four hundred thirty-eight million, one hundred sixty-nine thousand, two hundred forty-eight".