43540384359 has 8 divisors (see below), whose sum is σ = 58099240960. Its totient is φ = 29004225336.

The previous prime is 43540384357. The next prime is 43540384387. The reversal of 43540384359 is 95348304534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43540384359 - 2¹ = 43540384357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43540384357) by changing a digit.

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, 5669917 + ... + 5677590.

It is an arithmetic number, because the mean of its divisors is an integer number (7262405120).

Almost surely, 2^43540384359 is an apocalyptic number.

43540384359 is a deficient number, since it is larger than the sum of its proper divisors (14558856601).

43540384359 is a wasteful number, since it uses less digits than its factorization.

43540384359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348789.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 43540384359 in words is "forty-three billion, five hundred forty million, three hundred eighty-four thousand, three hundred fifty-nine".