404478747834 has 32 divisors (see below), whose sum is σ = 924546748416. Its totient is φ = 115562369520.

The previous prime is 404478747787. The next prime is 404478747851. The reversal of 404478747834 is 438747874404.

It is a Curzon number.

It is an unprimeable number.

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, 1911759 + ... + 2112765.

It is an arithmetic number, because the mean of its divisors is an integer number (28892085888).

Almost surely, 2^404478747834 is an apocalyptic number.

404478747834 is an abundant number, since it is smaller than the sum of its proper divisors (520068000582).

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

404478747834 is a wasteful number, since it uses less digits than its factorization.

404478747834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248930.

The product of its (nonzero) digits is 67436544, while the sum is 60.

The spelling of 404478747834 in words is "four hundred four billion, four hundred seventy-eight million, seven hundred forty-seven thousand, eight hundred thirty-four".