43130444440 has 32 divisors (see below), whose sum is σ = 97430150160. Its totient is φ = 17183440000.

The previous prime is 43130444431. The next prime is 43130444453. The reversal of 43130444440 is 4444403134.

It is a congruent number.

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, 2137891 + ... + 2157970.

Almost surely, 2^43130444440 is an apocalyptic number.

43130444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43130444440 is an abundant number, since it is smaller than the sum of its proper divisors (54299705720).

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

43130444440 is a wasteful number, since it uses less digits than its factorization.

43130444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296123 (or 4296119 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 43130444440 its reverse (4444403134), we get a palindrome (47574847574).

The spelling of 43130444440 in words is "forty-three billion, one hundred thirty million, four hundred forty-four thousand, four hundred forty".