43447128730104 has 256 divisors, whose sum is σ = 127449247150080. Its totient is φ = 12195428382720.

The previous prime is 43447128730097. The next prime is 43447128730147. The reversal of 43447128730104 is 40103782174434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337617277 + ... + 337745939.

It is an arithmetic number, because the mean of its divisors is an integer number (497848621680).

Almost surely, 2^{43447128730104} is an apocalyptic number.

43447128730104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43447128730104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63724623575040).

43447128730104 is an abundant number, since it is smaller than the sum of its proper divisors (84002118419976).

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

43447128730104 is a wasteful number, since it uses less digits than its factorization.

43447128730104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129890 (or 129886 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 43447128730104 in words is "forty-three trillion, four hundred forty-seven billion, one hundred twenty-eight million, seven hundred thirty thousand, one hundred four".