43623632642 has 16 divisors (see below), whose sum is σ = 66514219200. Its totient is φ = 21455069232.

The previous prime is 43623632641. The next prime is 43623632651. The reversal of 43623632642 is 24623632634.

It is a self number, because there is not a number n which added to its sum of digits gives 43623632642.

It is not an unprimeable number, because it can be changed into a prime (43623632641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679928 + ... + 741315.

It is an arithmetic number, because the mean of its divisors is an integer number (4157138700).

Almost surely, 2^43623632642 is an apocalyptic number.

43623632642 is a deficient number, since it is larger than the sum of its proper divisors (22890586558).

43623632642 is a wasteful number, since it uses less digits than its factorization.

43623632642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421497.

The product of its digits is 746496, while the sum is 41.

The spelling of 43623632642 in words is "forty-three billion, six hundred twenty-three million, six hundred thirty-two thousand, six hundred forty-two".