43421104342 has 24 divisors (see below), whose sum is σ = 81818282448. Its totient is φ = 16917312720.

The previous prime is 43421104327. The next prime is 43421104381. The reversal of 43421104342 is 24340112434.

It is a self number, because there is not a number n which added to its sum of digits gives 43421104342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12814453 + ... + 12817840.

It is an arithmetic number, because the mean of its divisors is an integer number (3409095102).

Almost surely, 2^43421104342 is an apocalyptic number.

43421104342 is a deficient number, since it is larger than the sum of its proper divisors (38397178106).

43421104342 is a wasteful number, since it uses less digits than its factorization.

43421104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25632324 (or 25632313 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43421104342 its reverse (24340112434), we get a palindrome (67761216776).

The spelling of 43421104342 in words is "forty-three billion, four hundred twenty-one million, one hundred four thousand, three hundred forty-two".