43143542140 has 48 divisors (see below), whose sum is σ = 100101863232. Its totient is φ = 15536086016.

The previous prime is 43143542137. The next prime is 43143542147. The reversal of 43143542140 is 4124534134.

43143542140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43143542140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143542147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750719 + ... + 2766358.

It is an arithmetic number, because the mean of its divisors is an integer number (2085455484).

Almost surely, 2^43143542140 is an apocalyptic number.

It is an amenable number.

43143542140 is an abundant number, since it is smaller than the sum of its proper divisors (56958321092).

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

43143542140 is a wasteful number, since it uses less digits than its factorization.

43143542140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517126 (or 5517124 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 43143542140 in words is "forty-three billion, one hundred forty-three million, five hundred forty-two thousand, one hundred forty".