404672320507 has 16 divisors (see below), whose sum is σ = 499485380800. Its totient is φ = 319262850432.

The previous prime is 404672320441. The next prime is 404672320597. The reversal of 404672320507 is 705023276404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404672320507 - 2²³ = 404663931899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404672320507.

It is not an unprimeable number, because it can be changed into a prime (404672320597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6339228 + ... + 6402745.

It is an arithmetic number, because the mean of its divisors is an integer number (31217836300).

Almost surely, 2^404672320507 is an apocalyptic number.

404672320507 is a deficient number, since it is larger than the sum of its proper divisors (94813060293).

404672320507 is a wasteful number, since it uses less digits than its factorization.

404672320507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742342.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 404672320507 in words is "four hundred four billion, six hundred seventy-two million, three hundred twenty thousand, five hundred seven".