406466402642 has 32 divisors (see below), whose sum is σ = 627871608000. Its totient is φ = 197277271488.

The previous prime is 406466402597. The next prime is 406466402707. The reversal of 406466402642 is 246204664604.

It is a junction number, because it is equal to n+sod(n) for n = 406466402593 and 406466402602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279484 + ... + 4373432.

It is an arithmetic number, because the mean of its divisors is an integer number (19620987750).

Almost surely, 2^406466402642 is an apocalyptic number.

406466402642 is a deficient number, since it is larger than the sum of its proper divisors (221405205358).

406466402642 is a wasteful number, since it uses less digits than its factorization.

406466402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94490.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 406466402642 in words is "four hundred six billion, four hundred sixty-six million, four hundred two thousand, six hundred forty-two".