406926785244 has 24 divisors (see below), whose sum is σ = 1085138094208. Its totient is φ = 116264795760.

The previous prime is 406926785173. The next prime is 406926785267. The reversal of 406926785244 is 442587629604.

It is a super-2 number, since 2×406926785244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 2422183162 + ... + 2422183329.

Almost surely, 2^406926785244 is an apocalyptic number.

It is an amenable number.

406926785244 is an abundant number, since it is smaller than the sum of its proper divisors (678211308964).

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

406926785244 is a wasteful number, since it uses less digits than its factorization.

406926785244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844366505 (or 4844366503 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 406926785244 in words is "four hundred six billion, nine hundred twenty-six million, seven hundred eighty-five thousand, two hundred forty-four".