43040211140 has 12 divisors (see below), whose sum is σ = 90384443436. Its totient is φ = 17216084448.

The previous prime is 43040211139. The next prime is 43040211143. The reversal of 43040211140 is 4111204034.

It can be written as a sum of positive squares in 2 ways, for example, as 23743111744 + 19297099396 = 154088^2 + 138914^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2152010557 = 43040211140 / (4 + 3 + 0 + 4 + 0 + 2 + 1 + 1 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (43040211143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076005259 + ... + 1076005298.

It is an arithmetic number, because the mean of its divisors is an integer number (7532036953).

Almost surely, 2^43040211140 is an apocalyptic number.

It is an amenable number.

43040211140 is an abundant number, since it is smaller than the sum of its proper divisors (47344232296).

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

43040211140 is a wasteful number, since it uses less digits than its factorization.

43040211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152010566 (or 2152010564 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 43040211140 its reverse (4111204034), we get a palindrome (47151415174).

The spelling of 43040211140 in words is "forty-three billion, forty million, two hundred eleven thousand, one hundred forty".