606321040 has 80 divisors (see below), whose sum is σ = 1526996016. Its totient is φ = 222566400.

The previous prime is 606321017. The next prime is 606321041. The reversal of 606321040 is 40123606.

It can be written as a sum of positive squares in 8 ways, for example, as 120912016 + 485409024 = 10996^2 + 22032^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (606321041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186630 + ... + 189850.

Almost surely, 2^606321040 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 606321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763498008).

606321040 is an abundant number, since it is smaller than the sum of its proper divisors (920674976).

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

606321040 is a wasteful number, since it uses less digits than its factorization.

606321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3422 counting only the distinct ones).

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

The square root of 606321040 is about 24623.5870660633. The cubic root of 606321040 is about 846.3841976960.

Adding to 606321040 its reverse (40123606), we get a palindrome (646444646).

The spelling of 606321040 in words is "six hundred six million, three hundred twenty-one thousand, forty".