43434220140 has 60 divisors (see below), whose sum is σ = 136254762336. Its totient is φ = 11582458272.

The previous prime is 43434220129. The next prime is 43434220163. The reversal of 43434220140 is 4102243434.

It is a happy number.

43434220140 is a `hidden beast` number, since 4 + 3 + 434 + 220 + 1 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13404004 + ... + 13407243.

Almost surely, 2^43434220140 is an apocalyptic number.

It is an amenable number.

43434220140 is an abundant number, since it is smaller than the sum of its proper divisors (92820542196).

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

43434220140 is a wasteful number, since it uses less digits than its factorization.

43434220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26811268 (or 26811257 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43434220140 its reverse (4102243434), we get a palindrome (47536463574).

The spelling of 43434220140 in words is "forty-three billion, four hundred thirty-four million, two hundred twenty thousand, one hundred forty".