404521125404 has 24 divisors (see below), whose sum is σ = 774493187328. Its totient is φ = 183343337840.

The previous prime is 404521125403. The next prime is 404521125443.

404521125404 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404521125403) 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, 13232084 + ... + 13262619.

It is an arithmetic number, because the mean of its divisors is an integer number (32270549472).

Almost surely, 2^404521125404 is an apocalyptic number.

404521125404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404521125404 is a deficient number, since it is larger than the sum of its proper divisors (369972061924).

404521125404 is a wasteful number, since it uses less digits than its factorization.

404521125404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26495065 (or 26495063 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 404521 and 125404, that added together give a palindrome (529925).

The spelling of 404521125404 in words is "four hundred four billion, five hundred twenty-one million, one hundred twenty-five thousand, four hundred four".