43240142404 has 12 divisors (see below), whose sum is σ = 75703614700. Its totient is φ = 21610538208.

The previous prime is 43240142383. The next prime is 43240142431. The reversal of 43240142404 is 40424104234.

It can be written as a sum of positive squares in 2 ways, for example, as 16383488004 + 26856654400 = 127998^2 + 163880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373039 + ... + 2391190.

Almost surely, 2^43240142404 is an apocalyptic number.

It is an amenable number.

43240142404 is a deficient number, since it is larger than the sum of its proper divisors (32463472296).

43240142404 is a wasteful number, since it uses less digits than its factorization.

43240142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766502 (or 4766500 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43240142404 its reverse (40424104234), we get a palindrome (83664246638).

The spelling of 43240142404 in words is "forty-three billion, two hundred forty million, one hundred forty-two thousand, four hundred four".