43360821992 has 8 divisors (see below), whose sum is σ = 81301541250. Its totient is φ = 21680410992.

The previous prime is 43360821923. The next prime is 43360821997. The reversal of 43360821992 is 29912806334.

It can be written as a sum of positive squares in only one way, i.e., 41255296996 + 2105524996 = 203114^2 + 45886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (43360821997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710051367 + ... + 2710051382.

Almost surely, 2^43360821992 is an apocalyptic number.

It is an amenable number.

43360821992 is a deficient number, since it is larger than the sum of its proper divisors (37940719258).

43360821992 is a wasteful number, since it uses less digits than its factorization.

43360821992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420102755 (or 5420102751 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 43360821992 in words is "forty-three billion, three hundred sixty million, eight hundred twenty-one thousand, nine hundred ninety-two".