43520022946 has 4 divisors (see below), whose sum is σ = 65280034422. Its totient is φ = 21760011472.

The previous prime is 43520022941. The next prime is 43520022947. The reversal of 43520022946 is 64922002534.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38359181025 + 5160841921 = 195855^2 + 71839^2 .

It is not an unprimeable number, because it can be changed into a prime (43520022941) 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 as a sum of consecutive naturals, namely, 10880005735 + ... + 10880005738.

Almost surely, 2^43520022946 is an apocalyptic number.

43520022946 is a deficient number, since it is larger than the sum of its proper divisors (21760011476).

43520022946 is a wasteful number, since it uses less digits than its factorization.

43520022946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760011475.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 43520022946 in words is "forty-three billion, five hundred twenty million, twenty-two thousand, nine hundred forty-six".