404066446884 has 36 divisors (see below), whose sum is σ = 1021413429036. Its totient is φ = 134685750528.

The previous prime is 404066446877. The next prime is 404066446921. The reversal of 404066446884 is 488644660404.

404066446884 is a `hidden beast` number, since 4 + 0 + 40 + 6 + 64 + 468 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130955686884 + 273110760000 = 361878^2 + 522600^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 404066446884.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930632 + ... + 2129664.

It is an arithmetic number, because the mean of its divisors is an integer number (28372595251).

Almost surely, 2^404066446884 is an apocalyptic number.

It is an amenable number.

404066446884 is an abundant number, since it is smaller than the sum of its proper divisors (617346982152).

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

404066446884 is a wasteful number, since it uses less digits than its factorization.

404066446884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255436 (or 255431 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 54.

The spelling of 404066446884 in words is "four hundred four billion, sixty-six million, four hundred forty-six thousand, eight hundred eighty-four".