404150085 has 12 divisors (see below), whose sum is σ = 700526892. Its totient is φ = 215546688.

The previous prime is 404150081. The next prime is 404150107. The reversal of 404150085 is 580051404.

404150085 is a `hidden beast` number, since 40 + 41 + 500 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78960996 + 325189089 = 8886^2 + 18033^2 .

It is not a de Polignac number, because 404150085 - 2² = 404150081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404150081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4490512 + ... + 4490601.

It is an arithmetic number, because the mean of its divisors is an integer number (58377241).

Almost surely, 2^404150085 is an apocalyptic number.

404150085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404150085 is a deficient number, since it is larger than the sum of its proper divisors (296376807).

404150085 is a wasteful number, since it uses less digits than its factorization.

404150085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981124 (or 8981121 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 404150085 is about 20103.4843994766. The cubic root of 404150085 is about 739.3457115369.

The spelling of 404150085 in words is "four hundred four million, one hundred fifty thousand, eighty-five".