408830081 has 24 divisors (see below), whose sum is σ = 467691840. Its totient is φ = 356676320.

The previous prime is 408830039. The next prime is 408830119. The reversal of 408830081 is 180038804.

It is not a de Polignac number, because 408830081 - 2²⁶ = 341721217 is a prime.

It is a super-2 number, since 2×408830081² = 334284070260933122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (408830021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922646 + ... + 923088.

It is an arithmetic number, because the mean of its divisors is an integer number (19487160).

Almost surely, 2^408830081 is an apocalyptic number.

It is an amenable number.

408830081 is a deficient number, since it is larger than the sum of its proper divisors (58861759).

408830081 is a wasteful number, since it uses less digits than its factorization.

408830081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 408830081 is about 20219.5470028386. The cubic root of 408830081 is about 742.1886028462.

Adding to 408830081 its reverse (180038804), we get a palindrome (588868885).

The spelling of 408830081 in words is "four hundred eight million, eight hundred thirty thousand, eighty-one".