406600500000 has 168 divisors, whose sum is σ = 1334145735216. Its totient is φ = 108426400000.

The previous prime is 406600499959. The next prime is 406600500017. The reversal of 406600500000 is 5006604.

It is a self number, because there is not a number n which added to its sum of digits gives 406600500000.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1364467 + ... + 1635533.

It is an arithmetic number, because the mean of its divisors is an integer number (7941343662).

Almost surely, 2^406600500000 is an apocalyptic number.

406600500000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406600500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667072867608).

406600500000 is an abundant number, since it is smaller than the sum of its proper divisors (927545235216).

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

406600500000 is an frugal number, since it uses more digits than its factorization.

406600500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271110 (or 271077 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 406600500000 its reverse (5006604), we get a palindrome (406605506604).

The spelling of 406600500000 in words is "four hundred six billion, six hundred million, five hundred thousand".