43421413244 has 96 divisors (see below), whose sum is σ = 86957950464. Its totient is φ = 18797425920.

The previous prime is 43421413237. The next prime is 43421413261. The reversal of 43421413244 is 44231412434.

It is a self number, because there is not a number n which added to its sum of digits gives 43421413244.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17346497 + ... + 17348999.

It is an arithmetic number, because the mean of its divisors is an integer number (905811984).

Almost surely, 2^43421413244 is an apocalyptic number.

43421413244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43421413244 is an abundant number, since it is smaller than the sum of its proper divisors (43536537220).

43421413244 is a wasteful number, since it uses less digits than its factorization.

43421413244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 43421413244 its reverse (44231412434), we get a palindrome (87652825678).

The spelling of 43421413244 in words is "forty-three billion, four hundred twenty-one million, four hundred thirteen thousand, two hundred forty-four".