404113530 has 32 divisors (see below), whose sum is σ = 974484288. Its totient is φ = 107251200.

The previous prime is 404113517. The next prime is 404113537. The reversal of 404113530 is 35311404.

It is a junction number, because it is equal to n+sod(n) for n = 404113497 and 404113506.

It is not an unprimeable number, because it can be changed into a prime (404113537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25591 + ... + 38250.

It is an arithmetic number, because the mean of its divisors is an integer number (30452634).

Almost surely, 2^404113530 is an apocalyptic number.

404113530 is an abundant number, since it is smaller than the sum of its proper divisors (570370758).

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

404113530 is a wasteful number, since it uses less digits than its factorization.

404113530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64062.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 404113530 is about 20102.5752081667. The cubic root of 404113530 is about 739.3234198203.

Adding to 404113530 its reverse (35311404), we get a palindrome (439424934).

It can be divided in two parts, 4041 and 13530, that added together give a palindrome (17571).

The spelling of 404113530 in words is "four hundred four million, one hundred thirteen thousand, five hundred thirty".