438752380 has 48 divisors (see below), whose sum is σ = 1009096704. Its totient is φ = 158918720.

The previous prime is 438752329. The next prime is 438752387. The reversal of 438752380 is 83257834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438752387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54069 + ... + 61651.

It is an arithmetic number, because the mean of its divisors is an integer number (21022848).

Almost surely, 2^438752380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438752380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504548352).

438752380 is an abundant number, since it is smaller than the sum of its proper divisors (570344324).

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

438752380 is a wasteful number, since it uses less digits than its factorization.

438752380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 438752380 is about 20946.4168773564. The cubic root of 438752380 is about 759.8709268338.

The spelling of 438752380 in words is "four hundred thirty-eight million, seven hundred fifty-two thousand, three hundred eighty".