404120000 has 70 divisors (see below), whose sum is σ = 1002185448. Its totient is φ = 161632000.

The previous prime is 404119981. The next prime is 404120021. The reversal of 404120000 is 21404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34949 + ... + 45051.

Almost surely, 2^404120000 is an apocalyptic number.

404120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501092724).

404120000 is an abundant number, since it is smaller than the sum of its proper divisors (598065448).

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

404120000 is an equidigital number, since it uses as much as digits as its factorization.

404120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135 (or 10110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 404120000 is about 20102.7361321786. The cubic root of 404120000 is about 739.3273654088.

Adding to 404120000 its reverse (21404), we get a palindrome (404141404).

The spelling of 404120000 in words is "four hundred four million, one hundred twenty thousand".