43120044140 has 12 divisors (see below), whose sum is σ = 90552092736. Its totient is φ = 17248017648.

The previous prime is 43120044139. The next prime is 43120044173. The reversal of 43120044140 is 4144002134.

It is a happy number.

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, 1078001084 + ... + 1078001123.

It is an arithmetic number, because the mean of its divisors is an integer number (7546007728).

Almost surely, 2^43120044140 is an apocalyptic number.

It is an amenable number.

43120044140 is an abundant number, since it is smaller than the sum of its proper divisors (47432048596).

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

43120044140 is a wasteful number, since it uses less digits than its factorization.

43120044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156002216 (or 2156002214 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43120044140 its reverse (4144002134), we get a palindrome (47264046274).

The spelling of 43120044140 in words is "forty-three billion, one hundred twenty million, forty-four thousand, one hundred forty".