43021226774032 has 20 divisors (see below), whose sum is σ = 89765444327020. Its totient is φ = 19855950818688.

The previous prime is 43021226774003. The next prime is 43021226774039. The reversal of 43021226774032 is 23047762212034.

It can be written as a sum of positive squares in 2 ways, for example, as 9632059845136 + 33389166928896 = 3103556^2 + 5778336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43021226774032.

It is not an unprimeable number, because it can be changed into a prime (43021226774039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 103416410307 + ... + 103416410722.

It is an arithmetic number, because the mean of its divisors is an integer number (4488272216351).

Almost surely, 2^{43021226774032} is an apocalyptic number.

It is an amenable number.

43021226774032 is an abundant number, since it is smaller than the sum of its proper divisors (46744217552988).

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

43021226774032 is a wasteful number, since it uses less digits than its factorization.

43021226774032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206832821050 (or 206832821044 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 43.

Adding to 43021226774032 its reverse (23047762212034), we get a palindrome (66068988986066).

The spelling of 43021226774032 in words is "forty-three trillion, twenty-one billion, two hundred twenty-six million, seven hundred seventy-four thousand, thirty-two".