406113340 has 48 divisors (see below), whose sum is σ = 905313024. Its totient is φ = 152499200.

The previous prime is 406113317. The next prime is 406113349. The reversal of 406113340 is 43311604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406113349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155445 + ... + 158035.

It is an arithmetic number, because the mean of its divisors is an integer number (18860688).

Almost surely, 2^406113340 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 406113340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452656512).

406113340 is an abundant number, since it is smaller than the sum of its proper divisors (499199684).

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

406113340 is a wasteful number, since it uses less digits than its factorization.

406113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 406113340 is about 20152.2539682290. The cubic root of 406113340 is about 740.5409606674.

Adding to 406113340 its reverse (43311604), we get a palindrome (449424944).

The spelling of 406113340 in words is "four hundred six million, one hundred thirteen thousand, three hundred forty".