43481105128740 has 48 divisors (see below), whose sum is σ = 121751168882112. Its totient is φ = 11594573318016.

The previous prime is 43481105128729. The next prime is 43481105128789. The reversal of 43481105128740 is 4782150118434.

It is a self number, because there is not a number n which added to its sum of digits gives 43481105128740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10316574 + ... + 13906613.

It is an arithmetic number, because the mean of its divisors is an integer number (2536482685044).

Almost surely, 2^{43481105128740} is an apocalyptic number.

It is an amenable number.

43481105128740 is an abundant number, since it is smaller than the sum of its proper divisors (78270063753372).

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

43481105128740 is a wasteful number, since it uses less digits than its factorization.

43481105128740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24253116 (or 24253114 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 43481105128740 in words is "forty-three trillion, four hundred eighty-one billion, one hundred five million, one hundred twenty-eight thousand, seven hundred forty".