404033660382 has 32 divisors (see below), whose sum is σ = 881588603520. Its totient is φ = 122426023520.

The previous prime is 404033660377. The next prime is 404033660417. The reversal of 404033660382 is 283066330404.

It is a self number, because there is not a number n which added to its sum of digits gives 404033660382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792544 + ... + 1198412.

It is an arithmetic number, because the mean of its divisors is an integer number (27549643860).

Almost surely, 2^404033660382 is an apocalyptic number.

404033660382 is an abundant number, since it is smaller than the sum of its proper divisors (477554943138).

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

404033660382 is a wasteful number, since it uses less digits than its factorization.

404033660382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420968.

The product of its (nonzero) digits is 248832, while the sum is 39.

Adding to 404033660382 its reverse (283066330404), we get a palindrome (687099990786).

The spelling of 404033660382 in words is "four hundred four billion, thirty-three million, six hundred sixty thousand, three hundred eighty-two".