404173016 has 64 divisors (see below), whose sum is σ = 865922400. Its totient is φ = 175315968.

The previous prime is 404172983. The next prime is 404173031. The reversal of 404173016 is 610371404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269966 + ... + 271458.

Almost surely, 2^404173016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404173016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432961200).

404173016 is an abundant number, since it is smaller than the sum of its proper divisors (461749384).

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

404173016 is a wasteful number, since it uses less digits than its factorization.

404173016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 404173016 is about 20104.0547154050. The cubic root of 404173016 is about 739.3596944741.

The spelling of 404173016 in words is "four hundred four million, one hundred seventy-three thousand, sixteen".