404324435341020 has 144 divisors (see below), whose sum is σ = 1177738636314240. Its totient is φ = 103585975637760.

The previous prime is 404324435340989. The next prime is 404324435341033. The reversal of 404324435341020 is 20143534423404.

It is a self number, because there is not a number n which added to its sum of digits gives 404324435341020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11457990 + ... + 30658349.

It is an arithmetic number, because the mean of its divisors is an integer number (8178740529960).

Almost surely, 2^{404324435341020} is an apocalyptic number.

It is an amenable number.

404324435341020 is an abundant number, since it is smaller than the sum of its proper divisors (773414200973220).

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

404324435341020 is a wasteful number, since it uses less digits than its factorization.

404324435341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42116516 (or 42116453 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 404324435341020 its reverse (20143534423404), we get a palindrome (424467969764424).

The spelling of 404324435341020 in words is "four hundred four trillion, three hundred twenty-four billion, four hundred thirty-five million, three hundred forty-one thousand, twenty".