43111343240 has 32 divisors (see below), whose sum is σ = 110857740480. Its totient is φ = 14781031872.

The previous prime is 43111343153. The next prime is 43111343269. The reversal of 43111343240 is 4234311134.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76984262 + ... + 76984821.

It is an arithmetic number, because the mean of its divisors is an integer number (3464304390).

Almost surely, 2^43111343240 is an apocalyptic number.

43111343240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43111343240 is an abundant number, since it is smaller than the sum of its proper divisors (67746397240).

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

43111343240 is a wasteful number, since it uses less digits than its factorization.

43111343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153969101 (or 153969097 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43111343240 its reverse (4234311134), we get a palindrome (47345654374).

The spelling of 43111343240 in words is "forty-three billion, one hundred eleven million, three hundred forty-three thousand, two hundred forty".