406533012 has 12 divisors (see below), whose sum is σ = 948577056. Its totient is φ = 135511000.

The previous prime is 406533011. The next prime is 406533013. The reversal of 406533012 is 210335604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (406533011) and next prime (406533013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406533011) 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, 16938864 + ... + 16938887.

It is an arithmetic number, because the mean of its divisors is an integer number (79048088).

Almost surely, 2^406533012 is an apocalyptic number.

It is an amenable number.

406533012 is an abundant number, since it is smaller than the sum of its proper divisors (542044044).

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

406533012 is a wasteful number, since it uses less digits than its factorization.

406533012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33877758 (or 33877756 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 406533012 is about 20162.6638121058. The cubic root of 406533012 is about 740.7959611672.

Adding to 406533012 its reverse (210335604), we get a palindrome (616868616).

The spelling of 406533012 in words is "four hundred six million, five hundred thirty-three thousand, twelve".