43013220140 has 48 divisors (see below), whose sum is σ = 104335820064. Its totient is φ = 14721100800.

The previous prime is 43013220121. The next prime is 43013220179. The reversal of 43013220140 is 4102231034.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5746691 + ... + 5754170.

It is an arithmetic number, because the mean of its divisors is an integer number (2173662918).

Almost surely, 2^43013220140 is an apocalyptic number.

It is an amenable number.

43013220140 is an abundant number, since it is smaller than the sum of its proper divisors (61322599924).

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

43013220140 is a wasteful number, since it uses less digits than its factorization.

43013220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500898 (or 11500896 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43013220140 its reverse (4102231034), we get a palindrome (47115451174).

The spelling of 43013220140 in words is "forty-three billion, thirteen million, two hundred twenty thousand, one hundred forty".