408443242 has 8 divisors (see below), whose sum is σ = 613069632. Its totient is φ = 204086700.

The previous prime is 408443227. The next prime is 408443257. The reversal of 408443242 is 242344804.

It is an interprime number because it is at equal distance from previous prime (408443227) and next prime (408443257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 63634 + ... + 69757.

It is an arithmetic number, because the mean of its divisors is an integer number (76633704).

Almost surely, 2^408443242 is an apocalyptic number.

408443242 is a deficient number, since it is larger than the sum of its proper divisors (204626390).

408443242 is a wasteful number, since it uses less digits than its factorization.

408443242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134924.

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 408443242 is about 20209.9787728736. The cubic root of 408443242 is about 741.9544402828.

The spelling of 408443242 in words is "four hundred eight million, four hundred forty-three thousand, two hundred forty-two".