406554663344 has 40 divisors (see below), whose sum is σ = 790699516992. Its totient is φ = 202503974400.

The previous prime is 406554663323. The next prime is 406554663379. The reversal of 406554663344 is 443366455604.

It is a junction number, because it is equal to n+sod(n) for n = 406554663292 and 406554663301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8454569 + ... + 8502519.

Almost surely, 2^406554663344 is an apocalyptic number.

It is an amenable number.

406554663344 is a deficient number, since it is larger than the sum of its proper divisors (384144853648).

406554663344 is a wasteful number, since it uses less digits than its factorization.

406554663344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49965 (or 49959 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 406554663344 in words is "four hundred six billion, five hundred fifty-four million, six hundred sixty-three thousand, three hundred forty-four".