404488401 has 16 divisors (see below), whose sum is σ = 559432896. Its totient is φ = 259773696.

The previous prime is 404488369. The next prime is 404488417. The reversal of 404488401 is 104884404.

It is a happy number.

It is not a de Polignac number, because 404488401 - 2⁵ = 404488369 is a prime.

It is a super-2 number, since 2×404488401² = 327221733087073602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404488451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12060 + ... + 30893.

It is an arithmetic number, because the mean of its divisors is an integer number (34964556).

Almost surely, 2^404488401 is an apocalyptic number.

It is an amenable number.

404488401 is a deficient number, since it is larger than the sum of its proper divisors (154944495).

404488401 is a wasteful number, since it uses less digits than its factorization.

404488401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43072.

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 404488401 is about 20111.8970015262. The cubic root of 404488401 is about 739.5519572937.

The spelling of 404488401 in words is "four hundred four million, four hundred eighty-eight thousand, four hundred one".