405005345316 has 72 divisors (see below), whose sum is σ = 1202743161984. Its totient is φ = 113288207040.

The previous prime is 405005345167. The next prime is 405005345321. The reversal of 405005345316 is 613543500504.

405005345316 is a `hidden beast` number, since 40 + 50 + 0 + 5 + 34 + 531 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39331036 + ... + 39341331.

Almost surely, 2^405005345316 is an apocalyptic number.

It is an amenable number.

405005345316 is an abundant number, since it is smaller than the sum of its proper divisors (797737816668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405005345316 is a wasteful number, since it uses less digits than its factorization.

405005345316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78672401 (or 78672396 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 405005345316 in words is "four hundred five billion, five million, three hundred forty-five thousand, three hundred sixteen".