43540832139068 has 24 divisors (see below), whose sum is σ = 85804807033344. Its totient is φ = 19152858711600.

The previous prime is 43540832139053. The next prime is 43540832139089. The reversal of 43540832139068 is 86093123804534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15960714230 + ... + 15960716957.

It is an arithmetic number, because the mean of its divisors is an integer number (3575200293056).

Almost surely, 2^{43540832139068} is an apocalyptic number.

It is an amenable number.

43540832139068 is a deficient number, since it is larger than the sum of its proper divisors (42263974894276).

43540832139068 is a wasteful number, since it uses less digits than its factorization.

43540832139068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31921431233 (or 31921431231 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 43540832139068 in words is "forty-three trillion, five hundred forty billion, eight hundred thirty-two million, one hundred thirty-nine thousand, sixty-eight".