43040143652 has 24 divisors (see below), whose sum is σ = 87000933600. Its totient is φ = 18412895360.

The previous prime is 43040143633. The next prime is 43040143667. The reversal of 43040143652 is 25634104034.

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, 28769402 + ... + 28770897.

It is an arithmetic number, because the mean of its divisors is an integer number (3625038900).

Almost surely, 2^43040143652 is an apocalyptic number.

It is an amenable number.

43040143652 is an abundant number, since it is smaller than the sum of its proper divisors (43960789948).

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

43040143652 is a wasteful number, since it uses less digits than its factorization.

43040143652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57540331 (or 57540329 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 43040143652 its reverse (25634104034), we get a palindrome (68674247686).

The spelling of 43040143652 in words is "forty-three billion, forty million, one hundred forty-three thousand, six hundred fifty-two".