43140533540 has 24 divisors (see below), whose sum is σ = 97563976440. Its totient is φ = 15928812288.

The previous prime is 43140533539. The next prime is 43140533551. The reversal of 43140533540 is 4533504134.

It can be written as a sum of positive squares in 4 ways, for example, as 583319104 + 42557214436 = 24152^2 + 206294^2 .

It is a super-2 number, since 2×43140533540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43140533497 and 43140533506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82962305 + ... + 82962824.

It is an arithmetic number, because the mean of its divisors is an integer number (4065165685).

Almost surely, 2^43140533540 is an apocalyptic number.

It is an amenable number.

43140533540 is an abundant number, since it is smaller than the sum of its proper divisors (54423442900).

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

43140533540 is a wasteful number, since it uses less digits than its factorization.

43140533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165925151 (or 165925149 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 43140533540 in words is "forty-three billion, one hundred forty million, five hundred thirty-three thousand, five hundred forty".