406042060 has 24 divisors (see below), whose sum is σ = 864372096. Its totient is φ = 160191360.

The previous prime is 406042057. The next prime is 406042081. The reversal of 406042060 is 60240604.

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, 137596 + ... + 140515.

It is an arithmetic number, because the mean of its divisors is an integer number (36015504).

Almost surely, 2^406042060 is an apocalyptic number.

It is an amenable number.

406042060 is an abundant number, since it is smaller than the sum of its proper divisors (458330036).

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

406042060 is a wasteful number, since it uses less digits than its factorization.

406042060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278193 (or 278191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 406042060 is about 20150.4853539561. The cubic root of 406042060 is about 740.4976321652.

Adding to 406042060 its reverse (60240604), we get a palindrome (466282664).

The spelling of 406042060 in words is "four hundred six million, forty-two thousand, sixty".