405379054081 has 8 divisors (see below), whose sum is σ = 411473348064. Its totient is φ = 399286050240.

The previous prime is 405379054063. The next prime is 405379054127. The reversal of 405379054081 is 180450973504.

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 405379054081 - 2²⁹ = 404842183169 is a prime.

It is a super-2 number, since 2×405379054081² (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 (405379054021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320166 + ... + 955648.

It is an arithmetic number, because the mean of its divisors is an integer number (51434168508).

Almost surely, 2^405379054081 is an apocalyptic number.

It is an amenable number.

405379054081 is a deficient number, since it is larger than the sum of its proper divisors (6094293983).

405379054081 is an equidigital number, since it uses as much as digits as its factorization.

405379054081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645071.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 405379054081 in words is "four hundred five billion, three hundred seventy-nine million, fifty-four thousand, eighty-one".