405212443215430 has 16 divisors (see below), whose sum is σ = 729844324603920. Its totient is φ = 161982326882592.

The previous prime is 405212443215379. The next prime is 405212443215439. The reversal of 405212443215430 is 34512344212504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405212443215439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12831283869 + ... + 12831315448.

It is an arithmetic number, because the mean of its divisors is an integer number (45615270287745).

Almost surely, 2^{405212443215430} is an apocalyptic number.

405212443215430 is a deficient number, since it is larger than the sum of its proper divisors (324631881388490).

405212443215430 is a wasteful number, since it uses less digits than its factorization.

405212443215430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662600903.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 405212443215430 its reverse (34512344212504), we get a palindrome (439724787427934).

The spelling of 405212443215430 in words is "four hundred five trillion, two hundred twelve billion, four hundred forty-three million, two hundred fifteen thousand, four hundred thirty".