43540326141 has 8 divisors (see below), whose sum is σ = 62519442720. Its totient is φ = 26794046832.

The previous prime is 43540326131. The next prime is 43540326143. The reversal of 43540326141 is 14162304534.

It is a happy number.

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

It is not a de Polignac number, because 43540326141 - 2¹⁸ = 43540063997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43540326143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558209271 + ... + 558209348.

It is an arithmetic number, because the mean of its divisors is an integer number (7814930340).

Almost surely, 2^43540326141 is an apocalyptic number.

It is an amenable number.

43540326141 is a deficient number, since it is larger than the sum of its proper divisors (18979116579).

43540326141 is a wasteful number, since it uses less digits than its factorization.

43540326141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116418635.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 43540326141 in words is "forty-three billion, five hundred forty million, three hundred twenty-six thousand, one hundred forty-one".