404232603253421 has 32 divisors (see below), whose sum is σ = 423952785285120. Its totient is φ = 385110754099200.

The previous prime is 404232603253399. The next prime is 404232603253433. The reversal of 404232603253421 is 124352306232404.

It is a cyclic number.

It is not a de Polignac number, because 404232603253421 - 2²² = 404232599059117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404232603553421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5998283636 + ... + 5998351026.

It is an arithmetic number, because the mean of its divisors is an integer number (13248524540160).

Almost surely, 2^{404232603253421} is an apocalyptic number.

It is an amenable number.

404232603253421 is a deficient number, since it is larger than the sum of its proper divisors (19720182031699).

404232603253421 is a wasteful number, since it uses less digits than its factorization.

404232603253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89165.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 404232603253421 its reverse (124352306232404), we get a palindrome (528584909485825).

The spelling of 404232603253421 in words is "four hundred four trillion, two hundred thirty-two billion, six hundred three million, two hundred fifty-three thousand, four hundred twenty-one".