404241420 has 96 divisors (see below), whose sum is σ = 1250565120. Its totient is φ = 96744960.

The previous prime is 404241403. The next prime is 404241421. The reversal of 404241420 is 24142404.

It is a super-2 number, since 2×404241420² = 326822251287232800, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (404241421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48264 + ... + 56016.

It is an arithmetic number, because the mean of its divisors is an integer number (13026720).

Almost surely, 2^404241420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625282560).

404241420 is an abundant number, since it is smaller than the sum of its proper divisors (846323700).

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

404241420 is a wasteful number, since it uses less digits than its factorization.

404241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855 (or 7853 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404241420 is about 20105.7558922812. The cubic root of 404241420 is about 739.4014029386.

Adding to 404241420 its reverse (24142404), we get a palindrome (428383824).

The spelling of 404241420 in words is "four hundred four million, two hundred forty-one thousand, four hundred twenty".