404000130402 has 48 divisors (see below), whose sum is σ = 1005167797920. Its totient is φ = 115980897600.

The previous prime is 404000130293. The next prime is 404000130427. The reversal of 404000130402 is 204031000404.

It is a super-2 number, since 2×404000130402² (a number of 24 digits) contains 22 as substring.

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

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, 53691099 + ... + 53698622.

It is an arithmetic number, because the mean of its divisors is an integer number (20940995790).

Almost surely, 2^404000130402 is an apocalyptic number.

404000130402 is an abundant number, since it is smaller than the sum of its proper divisors (601167667518).

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

404000130402 is a wasteful number, since it uses less digits than its factorization.

404000130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107389759 (or 107389756 counting only the distinct ones).

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

Adding to 404000130402 its reverse (204031000404), we get a palindrome (608031130806).

The spelling of 404000130402 in words is "four hundred four billion, one hundred thirty thousand, four hundred two".