404000364 has 12 divisors (see below), whose sum is σ = 942667544. Its totient is φ = 134666784.

The previous prime is 404000357. The next prime is 404000369. The reversal of 404000364 is 463000404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×404000364² = 326432588224264992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404000364.

It is not an unprimeable number, because it can be changed into a prime (404000369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16833337 + ... + 16833360.

Almost surely, 2^404000364 is an apocalyptic number.

It is an amenable number.

404000364 is an abundant number, since it is smaller than the sum of its proper divisors (538667180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404000364 is a wasteful number, since it uses less digits than its factorization.

404000364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666704 (or 33666702 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404000364 is about 20099.7602970782. The cubic root of 404000364 is about 739.2544011915.

Adding to 404000364 its reverse (463000404), we get a palindrome (867000768).

The spelling of 404000364 in words is "four hundred four million, three hundred sixty-four", and thus it is an aban number.