412216540 has 12 divisors (see below), whose sum is σ = 865654776. Its totient is φ = 164886608.

The previous prime is 412216529. The next prime is 412216559. The reversal of 412216540 is 45612214.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10305394 + ... + 10305433.

It is an arithmetic number, because the mean of its divisors is an integer number (72137898).

Almost surely, 2^412216540 is an apocalyptic number.

It is an amenable number.

412216540 is an abundant number, since it is smaller than the sum of its proper divisors (453438236).

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

412216540 is a wasteful number, since it uses less digits than its factorization.

412216540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610836 (or 20610834 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 412216540 is about 20303.1165095411. The cubic root of 412216540 is about 744.2322255575.

Adding to 412216540 its reverse (45612214), we get a palindrome (457828754).

The spelling of 412216540 in words is "four hundred twelve million, two hundred sixteen thousand, five hundred forty".