43441021420 has 24 divisors (see below), whose sum is σ = 93691718064. Its totient is φ = 16906775616.

The previous prime is 43441021411. The next prime is 43441021433. The reversal of 43441021420 is 2412014434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29351302 + ... + 29352781.

It is an arithmetic number, because the mean of its divisors is an integer number (3903821586).

Almost surely, 2^43441021420 is an apocalyptic number.

It is an amenable number.

43441021420 is an abundant number, since it is smaller than the sum of its proper divisors (50250696644).

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

43441021420 is a wasteful number, since it uses less digits than its factorization.

43441021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58704129 (or 58704127 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43441021420 its reverse (2412014434), we get a palindrome (45853035854).

The spelling of 43441021420 in words is "forty-three billion, four hundred forty-one million, twenty-one thousand, four hundred twenty".