404461164404 has 12 divisors (see below), whose sum is σ = 772153132128. Its totient is φ = 183845983800.

The previous prime is 404461164397. The next prime is 404461164467.

404461164404 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×404461164404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596149552 + ... + 4596149639.

It is an arithmetic number, because the mean of its divisors is an integer number (64346094344).

Almost surely, 2^404461164404 is an apocalyptic number.

404461164404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404461164404 is a deficient number, since it is larger than the sum of its proper divisors (367691967724).

404461164404 is a wasteful number, since it uses less digits than its factorization.

404461164404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192299206 (or 9192299204 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

It can be divided in two parts, 404461 and 164404, that added together give a palindrome (568865).

The spelling of 404461164404 in words is "four hundred four billion, four hundred sixty-one million, one hundred sixty-four thousand, four hundred four".