43195728272 has 10 divisors (see below), whose sum is σ = 83691723558. Its totient is φ = 21597864128.

The previous prime is 43195728253. The next prime is 43195728283. The reversal of 43195728272 is 27282759134.

It can be written as a sum of positive squares in only one way, i.e., 41838247936 + 1357480336 = 204544^2 + 36844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43195728272.

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, 1349866493 + ... + 1349866524.

Almost surely, 2^43195728272 is an apocalyptic number.

It is an amenable number.

43195728272 is a deficient number, since it is larger than the sum of its proper divisors (40495995286).

43195728272 is a wasteful number, since it uses less digits than its factorization.

43195728272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699733025 (or 2699733019 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 43195728272 in words is "forty-three billion, one hundred ninety-five million, seven hundred twenty-eight thousand, two hundred seventy-two".