406144381896 has 96 divisors (see below), whose sum is σ = 1202576094720. Its totient is φ = 122806972800.

The previous prime is 406144381889. The next prime is 406144381913. The reversal of 406144381896 is 698183441604.

406144381896 is a `hidden beast` number, since 4 + 0 + 614 + 4 + 3 + 8 + 18 + 9 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 191080 + ... + 921303.

It is an arithmetic number, because the mean of its divisors is an integer number (12526834320).

Almost surely, 2^406144381896 is an apocalyptic number.

It is an amenable number.

406144381896 is an abundant number, since it is smaller than the sum of its proper divisors (796431712824).

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

406144381896 is a wasteful number, since it uses less digits than its factorization.

406144381896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112867 (or 1112860 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 406144381896 in words is "four hundred six billion, one hundred forty-four million, three hundred eighty-one thousand, eight hundred ninety-six".