43504782872 has 8 divisors (see below), whose sum is σ = 81571467900. Its totient is φ = 21752391432.

The previous prime is 43504782857. The next prime is 43504782901. The reversal of 43504782872 is 27828740534.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×43504782872² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43504782872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719048922 + ... + 2719048937.

Almost surely, 2^43504782872 is an apocalyptic number.

It is an amenable number.

43504782872 is a deficient number, since it is larger than the sum of its proper divisors (38066685028).

43504782872 is a wasteful number, since it uses less digits than its factorization.

43504782872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438097865 (or 5438097861 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 43504782872 in words is "forty-three billion, five hundred four million, seven hundred eighty-two thousand, eight hundred seventy-two".