406644400424 has 32 divisors (see below), whose sum is σ = 787130227200. Its totient is φ = 196744282560.

The previous prime is 406644400411. The next prime is 406644400427. The reversal of 406644400424 is 424004446604.

It is not an unprimeable number, because it can be changed into a prime (406644400427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2665442 + ... + 2813870.

It is an arithmetic number, because the mean of its divisors is an integer number (24597819600).

Almost surely, 2^406644400424 is an apocalyptic number.

It is an amenable number.

406644400424 is a deficient number, since it is larger than the sum of its proper divisors (380485826776).

406644400424 is a wasteful number, since it uses less digits than its factorization.

406644400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159513 (or 159509 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 406644400424 in words is "four hundred six billion, six hundred forty-four million, four hundred thousand, four hundred twenty-four".