405341775882 has 128 divisors (see below), whose sum is σ = 960527232000. Its totient is φ = 126337216320.

The previous prime is 405341775859. The next prime is 405341775973. The reversal of 405341775882 is 288577143504.

405341775882 is a `hidden beast` number, since 4 + 0 + 53 + 4 + 1 + 7 + 7 + 588 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130375344 + ... + 130378452.

It is an arithmetic number, because the mean of its divisors is an integer number (7504119000).

Almost surely, 2^405341775882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405341775882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480263616000).

405341775882 is an abundant number, since it is smaller than the sum of its proper divisors (555185456118).

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

405341775882 is a wasteful number, since it uses less digits than its factorization.

405341775882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 405341775882 in words is "four hundred five billion, three hundred forty-one million, seven hundred seventy-five thousand, eight hundred eighty-two".