404213011 has 16 divisors (see below), whose sum is σ = 434592000. Its totient is φ = 374824800.

The previous prime is 404213003. The next prime is 404213039. The reversal of 404213011 is 110312404.

It is a cyclic number.

It is not a de Polignac number, because 404213011 - 2³ = 404213003 is a prime.

It is a super-2 number, since 2×404213011² = 326776316523372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404213041) 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, 199996 + ... + 202006.

It is an arithmetic number, because the mean of its divisors is an integer number (27162000).

Almost surely, 2^404213011 is an apocalyptic number.

404213011 is a deficient number, since it is larger than the sum of its proper divisors (30378989).

404213011 is a wasteful number, since it uses less digits than its factorization.

404213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 404213011 is about 20105.0493906382. The cubic root of 404213011 is about 739.3840814854.

Adding to 404213011 its reverse (110312404), we get a palindrome (514525415).

The spelling of 404213011 in words is "four hundred four million, two hundred thirteen thousand, eleven".