43680861275 has 24 divisors (see below), whose sum is σ = 54909369504. Its totient is φ = 34466624000.

The previous prime is 43680861241. The next prime is 43680861283. The reversal of 43680861275 is 57216808634.

It is a de Polignac number, because none of the positive numbers 2^k-43680861275 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631187 + ... + 696963.

It is an arithmetic number, because the mean of its divisors is an integer number (2287890396).

Almost surely, 2^43680861275 is an apocalyptic number.

43680861275 is a deficient number, since it is larger than the sum of its proper divisors (11228508229).

43680861275 is a wasteful number, since it uses less digits than its factorization.

43680861275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66151 (or 66146 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 43680861275 in words is "forty-three billion, six hundred eighty million, eight hundred sixty-one thousand, two hundred seventy-five".