418001323816 has 16 divisors (see below), whose sum is σ = 784432250100. Its totient is φ = 208819390464.

The previous prime is 418001323793. The next prime is 418001323853. The reversal of 418001323816 is 618323100814.

It can be written as a sum of positive squares in 2 ways, for example, as 417587364100 + 413959716 = 646210^2 + 20346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22649131 + ... + 22667578.

Almost surely, 2^418001323816 is an apocalyptic number.

It is an amenable number.

418001323816 is a deficient number, since it is larger than the sum of its proper divisors (366430926284).

418001323816 is a wasteful number, since it uses less digits than its factorization.

418001323816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45317868 (or 45317864 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 418001323816 in words is "four hundred eighteen billion, one million, three hundred twenty-three thousand, eight hundred sixteen".