43980116544 has 1008 divisors, whose sum is σ = 170161305600. Its totient is φ = 10597257216.

The previous prime is 43980116539. The next prime is 43980116581. The reversal of 43980116544 is 44561108934.

43980116544 is a `hidden beast` number, since 4 + 3 + 98 + 0 + 1 + 16 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a self number, because there is not a number n which added to its sum of digits gives 43980116544.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 556710297 + ... + 556710375.

Almost surely, 2^43980116544 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 43980116544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85080652800).

43980116544 is an abundant number, since it is smaller than the sum of its proper divisors (126181189056).

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

43980116544 is a wasteful number, since it uses less digits than its factorization.

43980116544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 43980116544 in words is "forty-three billion, nine hundred eighty million, one hundred sixteen thousand, five hundred forty-four".