404021302213 has 16 divisors (see below), whose sum is σ = 413020978560. Its totient is φ = 395149320000.

The previous prime is 404021302199. The next prime is 404021302219. The reversal of 404021302213 is 312203120404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404021302213 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 (404021302219) 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, 2655931 + ... + 2803927.

It is an arithmetic number, because the mean of its divisors is an integer number (25813811160).

Almost surely, 2^404021302213 is an apocalyptic number.

It is an amenable number.

404021302213 is a deficient number, since it is larger than the sum of its proper divisors (8999676347).

404021302213 is a wasteful number, since it uses less digits than its factorization.

404021302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148428.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 404021302213 its reverse (312203120404), we get a palindrome (716224422617).

The spelling of 404021302213 in words is "four hundred four billion, twenty-one million, three hundred two thousand, two hundred thirteen".