406441460 has 12 divisors (see below), whose sum is σ = 853527108. Its totient is φ = 162576576.

The previous prime is 406441459. The next prime is 406441463. The reversal of 406441460 is 64144604.

It can be written as a sum of positive squares in 2 ways, for example, as 324936676 + 81504784 = 18026^2 + 9028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406441463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10161017 + ... + 10161056.

It is an arithmetic number, because the mean of its divisors is an integer number (71127259).

Almost surely, 2^406441460 is an apocalyptic number.

It is an amenable number.

406441460 is an abundant number, since it is smaller than the sum of its proper divisors (447085648).

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

406441460 is a wasteful number, since it uses less digits than its factorization.

406441460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322082 (or 20322080 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 406441460 is about 20160.3933493372. The cubic root of 406441460 is about 740.7403474436.

The spelling of 406441460 in words is "four hundred six million, four hundred forty-one thousand, four hundred sixty".