43404024021 has 8 divisors (see below), whose sum is σ = 58097216064. Its totient is φ = 28823424000.

The previous prime is 43404023987. The next prime is 43404024029. The reversal of 43404024021 is 12042040434.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43404024021 - 2¹⁴ = 43404007637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43404023982 and 43404024000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43404024029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28147105 + ... + 28148646.

It is an arithmetic number, because the mean of its divisors is an integer number (7262152008).

Almost surely, 2^43404024021 is an apocalyptic number.

It is an amenable number.

43404024021 is a deficient number, since it is larger than the sum of its proper divisors (14693192043).

43404024021 is a wasteful number, since it uses less digits than its factorization.

43404024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56296011.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 43404024021 its reverse (12042040434), we get a palindrome (55446064455).

The spelling of 43404024021 in words is "forty-three billion, four hundred four million, twenty-four thousand, twenty-one".