404612130 has 64 divisors (see below), whose sum is σ = 1049086080. Its totient is φ = 99280896.

The previous prime is 404612111. The next prime is 404612171. The reversal of 404612130 is 31216404.

It is a junction number, because it is equal to n+sod(n) for n = 404612097 and 404612106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136201 + ... + 139139.

It is an arithmetic number, because the mean of its divisors is an integer number (16391970).

Almost surely, 2^404612130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404612130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524543040).

404612130 is an abundant number, since it is smaller than the sum of its proper divisors (644473950).

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

404612130 is a wasteful number, since it uses less digits than its factorization.

404612130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 404612130 is about 20114.9727814879. The cubic root of 404612130 is about 739.6273568152.

Adding to 404612130 its reverse (31216404), we get a palindrome (435828534).

The spelling of 404612130 in words is "four hundred four million, six hundred twelve thousand, one hundred thirty".