43716068387856 has 240 divisors, whose sum is σ = 134273296435200. Its totient is φ = 13224081088512.

The previous prime is 43716068387833. The next prime is 43716068387923. The reversal of 43716068387856 is 65878386061734.

43716068387856 is a `hidden beast` number, since 4 + 3 + 7 + 1 + 606 + 8 + 3 + 8 + 7 + 8 + 5 + 6 = 666.

It is a super-2 number, since 2×43716068387856² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7907520 + ... + 12245856.

It is an arithmetic number, because the mean of its divisors is an integer number (559472068480).

Almost surely, 2^{43716068387856} 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 43716068387856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67136648217600).

43716068387856 is an abundant number, since it is smaller than the sum of its proper divisors (90557228047344).

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

43716068387856 is a wasteful number, since it uses less digits than its factorization.

43716068387856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338526 (or 4338517 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 43716068387856 in words is "forty-three trillion, seven hundred sixteen billion, sixty-eight million, three hundred eighty-seven thousand, eight hundred fifty-six".