43085187852 has 36 divisors (see below), whose sum is σ = 116945511480. Its totient is φ = 12310053504.

The previous prime is 43085187809. The next prime is 43085187853. The reversal of 43085187852 is 25878158034.

It is a junction number, because it is equal to n+sod(n) for n = 43085187795 and 43085187804.

It is not an unprimeable number, because it can be changed into a prime (43085187853) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 36636477 + ... + 36637652.

It is an arithmetic number, because the mean of its divisors is an integer number (3248486430).

Almost surely, 2^43085187852 is an apocalyptic number.

43085187852 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43085187852 is an abundant number, since it is smaller than the sum of its proper divisors (73860323628).

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

43085187852 is a wasteful number, since it uses less digits than its factorization.

43085187852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73274150 (or 73274141 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 43085187852 in words is "forty-three billion, eighty-five million, one hundred eighty-seven thousand, eight hundred fifty-two".