43375632040 has 32 divisors (see below), whose sum is σ = 105102494280. Its totient is φ = 16015617792.

The previous prime is 43375632017. The next prime is 43375632071. The reversal of 43375632040 is 4023657334.

It can be written as a sum of positive squares in 4 ways, for example, as 31196743876 + 12178888164 = 176626^2 + 110358^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41706819 + ... + 41707858.

Almost surely, 2^43375632040 is an apocalyptic number.

43375632040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43375632040 is an abundant number, since it is smaller than the sum of its proper divisors (61726862240).

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

43375632040 is a wasteful number, since it uses less digits than its factorization.

43375632040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83414701 (or 83414697 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 43375632040 in words is "forty-three billion, three hundred seventy-five million, six hundred thirty-two thousand, forty".