409380481 has 8 divisors (see below), whose sum is σ = 418414464. Its totient is φ = 400360080.

The previous prime is 409380467. The next prime is 409380529. The reversal of 409380481 is 184083904.

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

It is a cyclic number.

It is not a de Polignac number, because 409380481 - 2⁷ = 409380353 is a prime.

It is a super-2 number, since 2×409380481² = 335184756447582722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409380481.

It is not an unprimeable number, because it can be changed into a prime (409380431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79326 + ... + 84328.

It is an arithmetic number, because the mean of its divisors is an integer number (52301808).

Almost surely, 2^409380481 is an apocalyptic number.

It is an amenable number.

409380481 is a deficient number, since it is larger than the sum of its proper divisors (9033983).

409380481 is a wasteful number, since it uses less digits than its factorization.

409380481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 409380481 is about 20233.1530167693. The cubic root of 409380481 is about 742.5215181934.

The spelling of 409380481 in words is "four hundred nine million, three hundred eighty thousand, four hundred eighty-one".