406506375472 has 40 divisors (see below), whose sum is σ = 800608004336. Its totient is φ = 199923572736.

The previous prime is 406506375463. The next prime is 406506375491. The reversal of 406506375472 is 274573605604.

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, 550473 + ... + 1056424.

Almost surely, 2^406506375472 is an apocalyptic number.

It is an amenable number.

406506375472 is a deficient number, since it is larger than the sum of its proper divisors (394101628864).

406506375472 is a wasteful number, since it uses less digits than its factorization.

406506375472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607165 (or 1607159 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 406506375472 in words is "four hundred six billion, five hundred six million, three hundred seventy-five thousand, four hundred seventy-two".