43194672931968 has 128 divisors (see below), whose sum is σ = 128045884824000. Its totient is φ = 14334795749376.

The previous prime is 43194672931957. The next prime is 43194672931973. The reversal of 43194672931968 is 86913927649134.

43194672931968 is a `hidden beast` number, since 4 + 3 + 1 + 9 + 467 + 2 + 93 + 19 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 43194672931896 and 43194672931905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26745133 + ... + 28314156.

Almost surely, 2^{43194672931968} is an apocalyptic number.

43194672931968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43194672931968 is an abundant number, since it is smaller than the sum of its proper divisors (84851211892032).

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

43194672931968 is a wasteful number, since it uses less digits than its factorization.

43194672931968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55059539 (or 55059521 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 72.

The spelling of 43194672931968 in words is "forty-three trillion, one hundred ninety-four billion, six hundred seventy-two million, nine hundred thirty-one thousand, nine hundred sixty-eight".