404171132 has 6 divisors (see below), whose sum is σ = 707299488. Its totient is φ = 202085564.

The previous prime is 404171123. The next prime is 404171167. The reversal of 404171132 is 231171404.

It is a happy number.

It is a super-2 number, since 2×404171132² = 326708607884322848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404171098 and 404171107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521388 + ... + 50521395.

It is an arithmetic number, because the mean of its divisors is an integer number (117883248).

Almost surely, 2^404171132 is an apocalyptic number.

It is an amenable number.

404171132 is a deficient number, since it is larger than the sum of its proper divisors (303128356).

404171132 is a wasteful number, since it uses less digits than its factorization.

404171132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101042787 (or 101042785 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 404171132 is about 20104.0078591310. The cubic root of 404171132 is about 739.3585456626.

The spelling of 404171132 in words is "four hundred four million, one hundred seventy-one thousand, one hundred thirty-two".