43106209990 has 32 divisors (see below), whose sum is σ = 77823516960. Its totient is φ = 17190933504.

The previous prime is 43106209981. The next prime is 43106209997. The reversal of 43106209990 is 9990260134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43106209997) 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 in 15 ways as a sum of consecutive naturals, for example, 5002806 + ... + 5011414.

It is an arithmetic number, because the mean of its divisors is an integer number (2431984905).

Almost surely, 2^43106209990 is an apocalyptic number.

43106209990 is a deficient number, since it is larger than the sum of its proper divisors (34717306970).

43106209990 is a wasteful number, since it uses less digits than its factorization.

43106209990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 43106209990 in words is "forty-three billion, one hundred six million, two hundred nine thousand, nine hundred ninety".