43494330880 has 480 divisors, whose sum is σ = 141170464512. Its totient is φ = 12505743360.

The previous prime is 43494330851. The next prime is 43494330907. The reversal of 43494330880 is 8803349434.

It is a self number, because there is not a number n which added to its sum of digits gives 43494330880.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28187389 + ... + 28188931.

Almost surely, 2^43494330880 is an apocalyptic number.

43494330880 is a gapful number since it is divisible by the number (40) 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 43494330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70585232256).

43494330880 is an abundant number, since it is smaller than the sum of its proper divisors (97676133632).

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

43494330880 is a wasteful number, since it uses less digits than its factorization.

43494330880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 43494330880 in words is "forty-three billion, four hundred ninety-four million, three hundred thirty thousand, eight hundred eighty".