440246412 has 18 divisors (see below), whose sum is σ = 1112845188. Its totient is φ = 146748792.

The previous prime is 440246357. The next prime is 440246413. The reversal of 440246412 is 214642044.

It is a happy number.

440246412 is a `hidden beast` number, since 4 + 4 + 0 + 246 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (440246413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6114498 + ... + 6114569.

Almost surely, 2^440246412 is an apocalyptic number.

It is an amenable number.

440246412 is an abundant number, since it is smaller than the sum of its proper divisors (672598776).

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

440246412 is a wasteful number, since it uses less digits than its factorization.

440246412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229077 (or 12229072 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 440246412 is about 20982.0497568755. The cubic root of 440246412 is about 760.7324494619.

Adding to 440246412 its reverse (214642044), we get a palindrome (654888456).

The spelling of 440246412 in words is "four hundred forty million, two hundred forty-six thousand, four hundred twelve".