406405563132 has 24 divisors (see below), whose sum is σ = 1004060803536. Its totient is φ = 127499784448.

The previous prime is 406405563127. The next prime is 406405563203. The reversal of 406405563132 is 231365504604.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 996091863 + ... + 996092270.

It is an arithmetic number, because the mean of its divisors is an integer number (41835866814).

Almost surely, 2^406405563132 is an apocalyptic number.

It is an amenable number.

406405563132 is an abundant number, since it is smaller than the sum of its proper divisors (597655240404).

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

406405563132 is a wasteful number, since it uses less digits than its factorization.

406405563132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992184157 (or 1992184155 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 406405563132 in words is "four hundred six billion, four hundred five million, five hundred sixty-three thousand, one hundred thirty-two".