409165244 has 6 divisors (see below), whose sum is σ = 716039184. Its totient is φ = 204582620.

The previous prime is 409165243. The next prime is 409165259. The reversal of 409165244 is 442561904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409165243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51145652 + ... + 51145659.

It is an arithmetic number, because the mean of its divisors is an integer number (119339864).

Almost surely, 2^409165244 is an apocalyptic number.

It is an amenable number.

409165244 is a deficient number, since it is larger than the sum of its proper divisors (306873940).

409165244 is a wasteful number, since it uses less digits than its factorization.

409165244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102291315 (or 102291313 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 409165244 is about 20227.8333985625. The cubic root of 409165244 is about 742.3913653337.

The spelling of 409165244 in words is "four hundred nine million, one hundred sixty-five thousand, two hundred forty-four".