405246012 has 36 divisors (see below), whose sum is σ = 977088168. Its totient is φ = 130720800.

The previous prime is 405246001. The next prime is 405246013. The reversal of 405246012 is 210642504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405246013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6039 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (27141338).

Almost surely, 2^405246012 is an apocalyptic number.

It is an amenable number.

405246012 is an abundant number, since it is smaller than the sum of its proper divisors (571842156).

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

405246012 is a wasteful number, since it uses less digits than its factorization.

405246012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35210 (or 35177 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 405246012 is about 20130.7230868640. The cubic root of 405246012 is about 740.0133988321.

Adding to 405246012 its reverse (210642504), we get a palindrome (615888516).

The spelling of 405246012 in words is "four hundred five million, two hundred forty-six thousand, twelve".