43380865752 has 32 divisors (see below), whose sum is σ = 123945331200. Its totient is φ = 12394533024.

The previous prime is 43380865729. The next prime is 43380865817. The reversal of 43380865752 is 25756808334.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43380865695 and 43380865704.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 129109552 + ... + 129109887.

It is an arithmetic number, because the mean of its divisors is an integer number (3873291600).

Almost surely, 2^43380865752 is an apocalyptic number.

43380865752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43380865752 is an abundant number, since it is smaller than the sum of its proper divisors (80564465448).

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

43380865752 is a wasteful number, since it uses less digits than its factorization.

43380865752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258219455 (or 258219451 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 43380865752 in words is "forty-three billion, three hundred eighty million, eight hundred sixty-five thousand, seven hundred fifty-two".