404412030 has 48 divisors (see below), whose sum is σ = 1147062384. Its totient is φ = 98039040.

The previous prime is 404412023. The next prime is 404412053. The reversal of 404412030 is 30214404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404411994 and 404412012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203259 + ... + 205238.

It is an arithmetic number, because the mean of its divisors is an integer number (23897133).

Almost surely, 2^404412030 is an apocalyptic number.

404412030 is an abundant number, since it is smaller than the sum of its proper divisors (742650354).

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

404412030 is a wasteful number, since it uses less digits than its factorization.

404412030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408521 (or 408518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 404412030 is about 20109.9982595723. The cubic root of 404412030 is about 739.5054097063.

Adding to 404412030 its reverse (30214404), we get a palindrome (434626434).

The spelling of 404412030 in words is "four hundred four million, four hundred twelve thousand, thirty".