43402424 has 16 divisors (see below), whose sum is σ = 87639720. Its totient is φ = 20031840.

The previous prime is 43402421. The next prime is 43402433. The reversal of 43402424 is 42420434.

It is a self number, because there is not a number n which added to its sum of digits gives 43402424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 208562 + ... + 208769.

Almost surely, 2^43402424 is an apocalyptic number.

It is an amenable number.

43402424 is an abundant number, since it is smaller than the sum of its proper divisors (44237296).

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

43402424 is a wasteful number, since it uses less digits than its factorization.

43402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417350 (or 417346 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 43402424 is about 6588.0516087839. The cubic root of 43402424 is about 351.4293223657.

Adding to 43402424 its reverse (42420434), we get a palindrome (85822858).

The spelling of 43402424 in words is "forty-three million, four hundred two thousand, four hundred twenty-four".