43421231404 has 24 divisors (see below), whose sum is σ = 78485724800. Its totient is φ = 20997584640.

The previous prime is 43421231393. The next prime is 43421231437. The reversal of 43421231404 is 40413212434.

It is a super-2 number, since 2×43421231404² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102052 + ... + 311860.

Almost surely, 2^43421231404 is an apocalyptic number.

It is an amenable number.

43421231404 is a deficient number, since it is larger than the sum of its proper divisors (35064493396).

43421231404 is a wasteful number, since it uses less digits than its factorization.

43421231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211513 (or 211511 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43421231404 its reverse (40413212434), we get a palindrome (83834443838).

The spelling of 43421231404 in words is "forty-three billion, four hundred twenty-one million, two hundred thirty-one thousand, four hundred four".