404313100421 has 16 divisors (see below), whose sum is σ = 426669734400. Its totient is φ = 382595609088.

The previous prime is 404313100417. The next prime is 404313100427. The reversal of 404313100421 is 124001313404.

It is a cyclic number.

It is not a de Polignac number, because 404313100421 - 2² = 404313100417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404313100427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407981 + ... + 987458.

It is an arithmetic number, because the mean of its divisors is an integer number (26666858400).

Almost surely, 2^404313100421 is an apocalyptic number.

It is an amenable number.

404313100421 is a deficient number, since it is larger than the sum of its proper divisors (22356633979).

404313100421 is a wasteful number, since it uses less digits than its factorization.

404313100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395668.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 404313100421 its reverse (124001313404), we get a palindrome (528314413825).

The spelling of 404313100421 in words is "four hundred four billion, three hundred thirteen million, one hundred thousand, four hundred twenty-one".