405208375885 has 8 divisors (see below), whose sum is σ = 486273319776. Its totient is φ = 324151188240.

The previous prime is 405208375877. The next prime is 405208375931. The reversal of 405208375885 is 588573802504.

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

It is not a de Polignac number, because 405208375885 - 2³ = 405208375877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823499 + ... + 2033608.

It is an arithmetic number, because the mean of its divisors is an integer number (60784164972).

Almost surely, 2^405208375885 is an apocalyptic number.

It is an amenable number.

405208375885 is a deficient number, since it is larger than the sum of its proper divisors (81064943891).

405208375885 is a wasteful number, since it uses less digits than its factorization.

405208375885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878123.

The product of its (nonzero) digits is 10752000, while the sum is 55.

The spelling of 405208375885 in words is "four hundred five billion, two hundred eight million, three hundred seventy-five thousand, eight hundred eighty-five".