43481752547872 has 24 divisors (see below), whose sum is σ = 85607996861772. Its totient is φ = 21740039059200.

The previous prime is 43481752547839. The next prime is 43481752547881. The reversal of 43481752547872 is 27874525718434.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43431843200656 + 49909347216 = 6590284^2 + 223404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43481752547798 and 43481752547807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25318579 + ... + 26981362.

Almost surely, 2^{43481752547872} is an apocalyptic number.

It is an amenable number.

43481752547872 is a deficient number, since it is larger than the sum of its proper divisors (42126244313900).

43481752547872 is a wasteful number, since it uses less digits than its factorization.

43481752547872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52325932 (or 52325924 counting only the distinct ones).

The product of its digits is 421478400, while the sum is 67.

The spelling of 43481752547872 in words is "forty-three trillion, four hundred eighty-one billion, seven hundred fifty-two million, five hundred forty-seven thousand, eight hundred seventy-two".