43480320 has 216 divisors, whose sum is σ = 152613216. Its totient is φ = 10543104.

The previous prime is 43480319. The next prime is 43480343. The reversal of 43480320 is 2308434.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648927 + ... + 648993.

Almost surely, 2^43480320 is an apocalyptic number.

43480320 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 43480320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76306608).

43480320 is an abundant number, since it is smaller than the sum of its proper divisors (109132896).

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

43480320 is a wasteful number, since it uses less digits than its factorization.

43480320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 43480320 is about 6593.9608734053. The cubic root of 43480320 is about 351.6394379563.

Adding to 43480320 its reverse (2308434), we get a palindrome (45788754).

The spelling of 43480320 in words is "forty-three million, four hundred eighty thousand, three hundred twenty".