406404505580 has 24 divisors (see below), whose sum is σ = 898367855280. Its totient is φ = 154005917760.

The previous prime is 406404505489. The next prime is 406404505597. The reversal of 406404505580 is 85505404604.

It is a super-3 number, since 3×406404505580³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 534742391 + ... + 534743150.

It is an arithmetic number, because the mean of its divisors is an integer number (37431993970).

Almost surely, 2^406404505580 is an apocalyptic number.

It is an amenable number.

406404505580 is an abundant number, since it is smaller than the sum of its proper divisors (491963349700).

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

406404505580 is a wasteful number, since it uses less digits than its factorization.

406404505580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069485569 (or 1069485567 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 406404505580 in words is "four hundred six billion, four hundred four million, five hundred five thousand, five hundred eighty".