409225408 has 14 divisors (see below), whose sum is σ = 812056796. Its totient is φ = 204612672.

The previous prime is 409225403. The next prime is 409225457. The reversal of 409225408 is 804522904.

It is a super-3 number, since 3×409225408³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (409225403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197010 + ... + 3197137.

Almost surely, 2^409225408 is an apocalyptic number.

It is an amenable number.

409225408 is a deficient number, since it is larger than the sum of its proper divisors (402831388).

409225408 is an equidigital number, since it uses as much as digits as its factorization.

409225408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394159 (or 6394149 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 409225408 is about 20229.3205026763. The cubic root of 409225408 is about 742.4277508330.

The spelling of 409225408 in words is "four hundred nine million, two hundred twenty-five thousand, four hundred eight".