43120423441040 has 40 divisors (see below), whose sum is σ = 109369074002688. Its totient is φ = 15680153978240.

The previous prime is 43120423440961. The next prime is 43120423441057. The reversal of 43120423441040 is 4014432402134.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 43120423440988 and 43120423441006.

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, 24500239712 + ... + 24500241471.

Almost surely, 2^{43120423441040} is an apocalyptic number.

43120423441040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43120423441040 is an abundant number, since it is smaller than the sum of its proper divisors (66248650561648).

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

43120423441040 is a wasteful number, since it uses less digits than its factorization.

43120423441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49000481207 (or 49000481201 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 43120423441040 its reverse (4014432402134), we get a palindrome (47134855843174).

The spelling of 43120423441040 in words is "forty-three trillion, one hundred twenty billion, four hundred twenty-three million, four hundred forty-one thousand, forty".