43043420320 has 48 divisors (see below), whose sum is σ = 104170342248. Its totient is φ = 16797429760.

The previous prime is 43043420309. The next prime is 43043420429. The reversal of 43043420320 is 2302434034.

It can be written as a sum of positive squares in 4 ways, for example, as 21935979664 + 21107440656 = 148108^2 + 145284^2 .

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, 3274189 + ... + 3287308.

Almost surely, 2^43043420320 is an apocalyptic number.

43043420320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43043420320 is an abundant number, since it is smaller than the sum of its proper divisors (61126921928).

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

43043420320 is a wasteful number, since it uses less digits than its factorization.

43043420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561553 (or 6561545 counting only the distinct ones).

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

Adding to 43043420320 its reverse (2302434034), we get a palindrome (45345854354).

The spelling of 43043420320 in words is "forty-three billion, forty-three million, four hundred twenty thousand, three hundred twenty".