404024430 has 16 divisors (see below), whose sum is σ = 969658704. Its totient is φ = 107739840.

The previous prime is 404024429. The next prime is 404024437. The reversal of 404024430 is 34420404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404024397 and 404024406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404024437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6733711 + ... + 6733770.

It is an arithmetic number, because the mean of its divisors is an integer number (60603669).

Almost surely, 2^404024430 is an apocalyptic number.

404024430 is an abundant number, since it is smaller than the sum of its proper divisors (565634274).

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

404024430 is a wasteful number, since it uses less digits than its factorization.

404024430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467491.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404024430 is about 20100.3589520187. The cubic root of 404024430 is about 739.2690798443.

Adding to 404024430 its reverse (34420404), we get a palindrome (438444834).

The spelling of 404024430 in words is "four hundred four million, twenty-four thousand, four hundred thirty".