43980947272 has 8 divisors (see below), whose sum is σ = 82464276150. Its totient is φ = 21990473632.

The previous prime is 43980947251. The next prime is 43980947293. The reversal of 43980947272 is 27274908934.

It is an interprime number because it is at equal distance from previous prime (43980947251) and next prime (43980947293).

It can be written as a sum of positive squares in only one way, i.e., 36966214756 + 7014732516 = 192266^2 + 83754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2748809197 + ... + 2748809212.

Almost surely, 2^43980947272 is an apocalyptic number.

It is an amenable number.

43980947272 is a deficient number, since it is larger than the sum of its proper divisors (38483328878).

43980947272 is a wasteful number, since it uses less digits than its factorization.

43980947272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497618415 (or 5497618411 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 43980947272 in words is "forty-three billion, nine hundred eighty million, nine hundred forty-seven thousand, two hundred seventy-two".