404794228730 has 8 divisors (see below), whose sum is σ = 728629611732. Its totient is φ = 161917691488.

The previous prime is 404794228703. The next prime is 404794228753. The reversal of 404794228730 is 37822497404.

It can be written as a sum of positive squares in 2 ways, for example, as 354962149369 + 49832079361 = 595787^2 + 223231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×404794228730² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20239711427 + ... + 20239711446.

Almost surely, 2^404794228730 is an apocalyptic number.

404794228730 is a deficient number, since it is larger than the sum of its proper divisors (323835383002).

404794228730 is a wasteful number, since it uses less digits than its factorization.

404794228730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40479422880.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 404794228730 in words is "four hundred four billion, seven hundred ninety-four million, two hundred twenty-eight thousand, seven hundred thirty".