4212040815 has 24 divisors (see below), whose sum is σ = 7323926688. Its totient is φ = 2239327680.

The previous prime is 4212040813. The next prime is 4212040829. The reversal of 4212040815 is 5180402124.

It is not a de Polignac number, because 4212040815 - 2¹ = 4212040813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212040813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133371 + ... + 161900.

It is an arithmetic number, because the mean of its divisors is an integer number (305163612).

Almost surely, 2^4212040815 is an apocalyptic number.

4212040815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4212040815 is a deficient number, since it is larger than the sum of its proper divisors (3111885873).

4212040815 is a wasteful number, since it uses less digits than its factorization.

4212040815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295599 (or 295596 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 4212040815 is about 64900.2374032638. The cubic root of 4212040815 is about 1614.9690000344.

Adding to 4212040815 its reverse (5180402124), we get a palindrome (9392442939).

The spelling of 4212040815 in words is "four billion, two hundred twelve million, forty thousand, eight hundred fifteen".