43140142238064 has 40 divisors (see below), whose sum is σ = 113548110237072. Its totient is φ = 14108725762560.

The previous prime is 43140142238033. The next prime is 43140142238113. The reversal of 43140142238064 is 46083224104134.

It is a happy number.

It is a super-2 number, since 2×43140142238064² (a number of 28 digits) contains 22 as substring.

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, 8478798997 + ... + 8478804084.

Almost surely, 2^{43140142238064} is an apocalyptic number.

It is an amenable number.

43140142238064 is an abundant number, since it is smaller than the sum of its proper divisors (70407967999008).

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

43140142238064 is a wasteful number, since it uses less digits than its factorization.

43140142238064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16957603145 (or 16957603139 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 43140142238064 in words is "forty-three trillion, one hundred forty billion, one hundred forty-two million, two hundred thirty-eight thousand, sixty-four".