409245376 has 14 divisors (see below), whose sum is σ = 812096420. Its totient is φ = 204622656.

The previous prime is 409245367. The next prime is 409245391. The reversal of 409245376 is 673542904.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197166 + ... + 3197293.

Almost surely, 2^409245376 is an apocalyptic number.

It is an amenable number.

409245376 is a deficient number, since it is larger than the sum of its proper divisors (402851044).

409245376 is an equidigital number, since it uses as much as digits as its factorization.

409245376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394471 (or 6394461 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 409245376 is about 20229.8140377019. The cubic root of 409245376 is about 742.4398261309.

It can be divided in two parts, 4092453 and 76, that added together give a square (4092529 = 2023²).

The spelling of 409245376 in words is "four hundred nine million, two hundred forty-five thousand, three hundred seventy-six".