404125304 has 64 divisors (see below), whose sum is σ = 842607360. Its totient is φ = 180183040.

The previous prime is 404125291. The next prime is 404125313. The reversal of 404125304 is 403521404.

It is a super-2 number, since 2×404125304² = 326634522666184832, 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 404125304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572344 + ... + 1572600.

It is an arithmetic number, because the mean of its divisors is an integer number (13165740).

Almost surely, 2^404125304 is an apocalyptic number.

404125304 is a gapful number since it is divisible by the number (44) 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 404125304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421303680).

404125304 is an abundant number, since it is smaller than the sum of its proper divisors (438482056).

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

404125304 is a wasteful number, since it uses less digits than its factorization.

404125304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404125304 is about 20102.8680540862. The cubic root of 404125304 is about 739.3305999061.

Adding to 404125304 its reverse (403521404), we get a palindrome (807646708).

The spelling of 404125304 in words is "four hundred four million, one hundred twenty-five thousand, three hundred four".