406285085648 has 40 divisors (see below), whose sum is σ = 847768510176. Its totient is φ = 187507555200.

The previous prime is 406285085641. The next prime is 406285085699. The reversal of 406285085648 is 846580582604.

It is a junction number, because it is equal to n+sod(n) for n = 406285085593 and 406285085602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406285085641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580063 + ... + 7633473.

Almost surely, 2^406285085648 is an apocalyptic number.

It is an amenable number.

406285085648 is an abundant number, since it is smaller than the sum of its proper divisors (441483424528).

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

406285085648 is a wasteful number, since it uses less digits than its factorization.

406285085648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90003 (or 89997 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 406285085648 in words is "four hundred six billion, two hundred eighty-five million, eighty-five thousand, six hundred forty-eight".