400443413424 has 20 divisors (see below), whose sum is σ = 1034478818136. Its totient is φ = 133481137792.

The previous prime is 400443413411. The next prime is 400443413471. The reversal of 400443413424 is 424314344004.

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 3 ways as a sum of consecutive naturals, for example, 4171285509 + ... + 4171285604.

Almost surely, 2^400443413424 is an apocalyptic number.

It is an amenable number.

400443413424 is an abundant number, since it is smaller than the sum of its proper divisors (634035404712).

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

400443413424 is a wasteful number, since it uses less digits than its factorization.

400443413424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342571124 (or 8342571118 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 400443413424 its reverse (424314344004), we get a palindrome (824757757428).

The spelling of 400443413424 in words is "four hundred billion, four hundred forty-three million, four hundred thirteen thousand, four hundred twenty-four".