405408084481 has 8 divisors (see below), whose sum is σ = 406124004384. Its totient is φ = 404692303200.

The previous prime is 405408084467. The next prime is 405408084503. The reversal of 405408084481 is 184480804504.

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 405408084481 - 2⁷ = 405408084353 is a prime.

It is a super-2 number, since 2×405408084481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405408084421) 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, 7103646 + ... + 7160488.

It is an arithmetic number, because the mean of its divisors is an integer number (50765500548).

Almost surely, 2^405408084481 is an apocalyptic number.

It is an amenable number.

405408084481 is a deficient number, since it is larger than the sum of its proper divisors (715919903).

405408084481 is a wasteful number, since it uses less digits than its factorization.

405408084481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69311.

The product of its (nonzero) digits is 655360, while the sum is 46.

Adding to 405408084481 its reverse (184480804504), we get a palindrome (589888888985).

The spelling of 405408084481 in words is "four hundred five billion, four hundred eight million, eighty-four thousand, four hundred eighty-one".