404365563404 has 24 divisors (see below), whose sum is σ = 817380659088. Its totient is φ = 172990615040.

The previous prime is 404365563401. The next prime is 404365563461.

404365563404 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (404365563401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270297089 + ... + 270298584.

It is an arithmetic number, because the mean of its divisors is an integer number (34057527462).

Almost surely, 2^404365563404 is an apocalyptic number.

404365563404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404365563404 is an abundant number, since it is smaller than the sum of its proper divisors (413015095684).

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

404365563404 is a wasteful number, since it uses less digits than its factorization.

404365563404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540595705 (or 540595703 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

It can be divided in two parts, 404365 and 563404, that added together give a palindrome (967769).

The spelling of 404365563404 in words is "four hundred four billion, three hundred sixty-five million, five hundred sixty-three thousand, four hundred four".