405048445705221 has 8 divisors (see below), whose sum is σ = 547462739400960. Its totient is φ = 266333224573152.

The previous prime is 405048445705199. The next prime is 405048445705259. The reversal of 405048445705221 is 122507544840504.

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

It is not a de Polignac number, because 405048445705221 - 2⁷ = 405048445705093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405048445705271) 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, 924768140661 + ... + 924768141098.

It is an arithmetic number, because the mean of its divisors is an integer number (68432842425120).

Almost surely, 2^{405048445705221} is an apocalyptic number.

It is an amenable number.

405048445705221 is a deficient number, since it is larger than the sum of its proper divisors (142414293695739).

405048445705221 is a wasteful number, since it uses less digits than its factorization.

405048445705221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849536281835.

The product of its (nonzero) digits is 7168000, while the sum is 51.

The spelling of 405048445705221 in words is "four hundred five trillion, forty-eight billion, four hundred forty-five million, seven hundred five thousand, two hundred twenty-one".