43480420 has 24 divisors (see below), whose sum is σ = 92199744. Its totient is φ = 17222496.

The previous prime is 43480397. The next prime is 43480421. The reversal of 43480420 is 2408434.

It is not an unprimeable number, because it can be changed into a prime (43480421) 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, 8494 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (3841656).

Almost surely, 2^43480420 is an apocalyptic number.

It is an amenable number.

43480420 is an abundant number, since it is smaller than the sum of its proper divisors (48719324).

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

43480420 is a wasteful number, since it uses less digits than its factorization.

43480420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219 (or 21217 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 43480420 is about 6593.9684560968. The cubic root of 43480420 is about 351.6397075336.

Adding to 43480420 its reverse (2408434), we get a palindrome (45888854).

The spelling of 43480420 in words is "forty-three million, four hundred eighty thousand, four hundred twenty".