43208520738 has 16 divisors (see below), whose sum is σ = 86429617920. Its totient is φ = 14400744176.

The previous prime is 43208520727. The next prime is 43208520743. The reversal of 43208520738 is 83702580234.

It is a self number, because there is not a number n which added to its sum of digits gives 43208520738.

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 7 ways as a sum of consecutive naturals, for example, 479058 + ... + 562061.

It is an arithmetic number, because the mean of its divisors is an integer number (5401851120).

Almost surely, 2^43208520738 is an apocalyptic number.

43208520738 is an abundant number, since it is smaller than the sum of its proper divisors (43221097182).

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

43208520738 is a wasteful number, since it uses less digits than its factorization.

43208520738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048041.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 43208520738 in words is "forty-three billion, two hundred eight million, five hundred twenty thousand, seven hundred thirty-eight".