43950788162 has 18 divisors (see below), whose sum is σ = 67217574123. Its totient is φ = 21553055472.

The previous prime is 43950788149. The next prime is 43950788213. The reversal of 43950788162 is 26188705934.

It can be written as a sum of positive squares in 5 ways, for example, as 39936425281 + 4014362881 = 199841^2 + 63359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=148241.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 15712148 + ... + 15714944.

It is a 2-persistent number, because it is pandigital, and so is 2⋅43950788162 = 87901576324, but 3⋅43950788162 = 131852364486 is not.

Almost surely, 2^43950788162 is an apocalyptic number.

43950788162 is a deficient number, since it is larger than the sum of its proper divisors (23266785961).

43950788162 is an frugal number, since it uses more digits than its factorization.

43950788162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 43950788162 in words is "forty-three billion, nine hundred fifty million, seven hundred eighty-eight thousand, one hundred sixty-two".