409481205 has 32 divisors (see below), whose sum is σ = 751263744. Its totient is φ = 186566976.

The previous prime is 409481197. The next prime is 409481207. The reversal of 409481205 is 502184904.

It is not a de Polignac number, because 409481205 - 2³ = 409481197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409481207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25884 + ... + 38586.

It is an arithmetic number, because the mean of its divisors is an integer number (23476992).

Almost surely, 2^409481205 is an apocalyptic number.

It is an amenable number.

409481205 is a deficient number, since it is larger than the sum of its proper divisors (341782539).

409481205 is a wasteful number, since it uses less digits than its factorization.

409481205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 409481205 is about 20235.6419468224. The cubic root of 409481205 is about 742.5824098805.

The spelling of 409481205 in words is "four hundred nine million, four hundred eighty-one thousand, two hundred five".