409342468 has 6 divisors (see below), whose sum is σ = 716349326. Its totient is φ = 204671232.

The previous prime is 409342457. The next prime is 409342487. The reversal of 409342468 is 864243904.

It can be written as a sum of positive squares in only one way, i.e., 383454724 + 25887744 = 19582^2 + 5088^2 .

It is a super-2 number, since 2×409342468² = 335122512216662048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 409342468.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51167805 + ... + 51167812.

Almost surely, 2^409342468 is an apocalyptic number.

It is an amenable number.

409342468 is a deficient number, since it is larger than the sum of its proper divisors (307006858).

409342468 is a wasteful number, since it uses less digits than its factorization.

409342468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102335621 (or 102335619 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 409342468 is about 20232.2136208572. The cubic root of 409342468 is about 742.4985352184.

The spelling of 409342468 in words is "four hundred nine million, three hundred forty-two thousand, four hundred sixty-eight".