43216972808 has 16 divisors (see below), whose sum is σ = 81245634000. Its totient is φ = 21551470416.

The previous prime is 43216972769. The next prime is 43216972811. The reversal of 43216972808 is 80827961234.

It is a super-2 number, since 2×43216972808² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7123778 + ... + 7129841.

It is an arithmetic number, because the mean of its divisors is an integer number (5077852125).

Almost surely, 2^43216972808 is an apocalyptic number.

It is an amenable number.

43216972808 is a deficient number, since it is larger than the sum of its proper divisors (38028661192).

43216972808 is a wasteful number, since it uses less digits than its factorization.

43216972808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14254004 (or 14254000 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 43216972808 in words is "forty-three billion, two hundred sixteen million, nine hundred seventy-two thousand, eight hundred eight".