409625448 has 16 divisors (see below), whose sum is σ = 1024063680. Its totient is φ = 136541808.

The previous prime is 409625441. The next prime is 409625477. The reversal of 409625448 is 844526904.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (409625441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8533840 + ... + 8533887.

It is an arithmetic number, because the mean of its divisors is an integer number (64003980).

Almost surely, 2^409625448 is an apocalyptic number.

It is an amenable number.

409625448 is an abundant number, since it is smaller than the sum of its proper divisors (614438232).

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

409625448 is a wasteful number, since it uses less digits than its factorization.

409625448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17067736 (or 17067732 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 409625448 is about 20239.2057156401. The cubic root of 409625448 is about 742.6695931575.

The spelling of 409625448 in words is "four hundred nine million, six hundred twenty-five thousand, four hundred forty-eight".