43240303240 has 32 divisors (see below), whose sum is σ = 97353469080. Its totient is φ = 17284959232.

The previous prime is 43240303237. The next prime is 43240303261. The reversal of 43240303240 is 4230304234.

It can be written as a sum of positive squares in 4 ways, for example, as 36231599716 + 7008703524 = 190346^2 + 83718^2 .

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, 285919 + ... + 410158.

Almost surely, 2^43240303240 is an apocalyptic number.

43240303240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43240303240 is an abundant number, since it is smaller than the sum of its proper divisors (54113165840).

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

43240303240 is a wasteful number, since it uses less digits than its factorization.

43240303240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697641 (or 697637 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 43240303240 its reverse (4230304234), we get a palindrome (47470607474).

The spelling of 43240303240 in words is "forty-three billion, two hundred forty million, three hundred three thousand, two hundred forty".