400446413366 has 4 divisors (see below), whose sum is σ = 600669620052. Its totient is φ = 200223206682.

The previous prime is 400446413363. The next prime is 400446413383. The reversal of 400446413366 is 663314644004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400446413363) 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 as a sum of consecutive naturals, namely, 100111603340 + ... + 100111603343.

It is an arithmetic number, because the mean of its divisors is an integer number (150167405013).

Almost surely, 2^400446413366 is an apocalyptic number.

400446413366 is a deficient number, since it is larger than the sum of its proper divisors (200223206686).

400446413366 is a wasteful number, since it uses less digits than its factorization.

400446413366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200223206685.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 400446413366 in words is "four hundred billion, four hundred forty-six million, four hundred thirteen thousand, three hundred sixty-six".