406223580 has 192 divisors, whose sum is σ = 1351139328. Its totient is φ = 89268480.

The previous prime is 406223569. The next prime is 406223627. The reversal of 406223580 is 85322604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1498845 + ... + 1499115.

It is an arithmetic number, because the mean of its divisors is an integer number (7037184).

Almost surely, 2^406223580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406223580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675569664).

406223580 is an abundant number, since it is smaller than the sum of its proper divisors (944915748).

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

406223580 is a wasteful number, since it uses less digits than its factorization.

406223580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 406223580 is about 20154.9889605527. The cubic root of 406223580 is about 740.6079615443.

The spelling of 406223580 in words is "four hundred six million, two hundred twenty-three thousand, five hundred eighty".