43471980491912 has 128 divisors (see below), whose sum is σ = 100419869491200. Its totient is φ = 17232228921600.

The previous prime is 43471980491897. The next prime is 43471980491923. The reversal of 43471980491912 is 21919408917434.

43471980491912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49836962 + ... + 50701742.

It is an arithmetic number, because the mean of its divisors is an integer number (784530230400).

Almost surely, 2^{43471980491912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43471980491912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50209934745600).

43471980491912 is an abundant number, since it is smaller than the sum of its proper divisors (56947888999288).

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

43471980491912 is a wasteful number, since it uses less digits than its factorization.

43471980491912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866107 (or 866103 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 43471980491912 in words is "forty-three trillion, four hundred seventy-one billion, nine hundred eighty million, four hundred ninety-one thousand, nine hundred twelve".