404080217238 has 32 divisors (see below), whose sum is σ = 821732253696. Its totient is φ = 132450208128.

The previous prime is 404080217221. The next prime is 404080217243. The reversal of 404080217238 is 832712080404.

It is a junction number, because it is equal to n+sod(n) for n = 404080217196 and 404080217205.

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, 2260306 + ... + 2432517.

It is an arithmetic number, because the mean of its divisors is an integer number (25679132928).

Almost surely, 2^404080217238 is an apocalyptic number.

404080217238 is an abundant number, since it is smaller than the sum of its proper divisors (417652036458).

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

404080217238 is a wasteful number, since it uses less digits than its factorization.

404080217238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693068.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 404080217238 in words is "four hundred four billion, eighty million, two hundred seventeen thousand, two hundred thirty-eight".