408811898881 has 8 divisors (see below), whose sum is σ = 409037878080. Its totient is φ = 408585988272.

The previous prime is 408811898867. The next prime is 408811898953. The reversal of 408811898881 is 188898118804.

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 408811898881 - 2⁵ = 408811898849 is a prime.

It is a super-2 number, since 2×408811898881² (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 (408811898081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15535171 + ... + 15561463.

It is an arithmetic number, because the mean of its divisors is an integer number (51129734760).

Almost surely, 2^408811898881 is an apocalyptic number.

It is an amenable number.

408811898881 is a deficient number, since it is larger than the sum of its proper divisors (225979199).

408811898881 is a wasteful number, since it uses less digits than its factorization.

408811898881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34295.

The product of its (nonzero) digits is 9437184, while the sum is 64.

The spelling of 408811898881 in words is "four hundred eight billion, eight hundred eleven million, eight hundred ninety-eight thousand, eight hundred eighty-one".