43221414440 has 32 divisors (see below), whose sum is σ = 99620093160. Its totient is φ = 16866892800.

The previous prime is 43221414419. The next prime is 43221414451. The reversal of 43221414440 is 4441412234.

It can be written as a sum of positive squares in 4 ways, for example, as 21111508804 + 22109905636 = 145298^2 + 148694^2 .

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, 13175621 + ... + 13178900.

Almost surely, 2^43221414440 is an apocalyptic number.

43221414440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43221414440 is an abundant number, since it is smaller than the sum of its proper divisors (56398678720).

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

43221414440 is a wasteful number, since it uses less digits than its factorization.

43221414440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26354573 (or 26354569 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 43221414440 its reverse (4441412234), we get a palindrome (47662826674).

The spelling of 43221414440 in words is "forty-three billion, two hundred twenty-one million, four hundred fourteen thousand, four hundred forty".