43612640641144 has 16 divisors (see below), whose sum is σ = 81892042314120. Its totient is φ = 21774762690720.

The previous prime is 43612640641139. The next prime is 43612640641169. The reversal of 43612640641144 is 44114604621634.

It is a junction number, because it is equal to n+sod(n) for n = 43612640641094 and 43612640641103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944697859 + ... + 3944708914.

Almost surely, 2^{43612640641144} is an apocalyptic number.

It is an amenable number.

43612640641144 is a deficient number, since it is larger than the sum of its proper divisors (38279401672976).

43612640641144 is a wasteful number, since it uses less digits than its factorization.

43612640641144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889407470 (or 7889407466 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 43612640641144 in words is "forty-three trillion, six hundred twelve billion, six hundred forty million, six hundred forty-one thousand, one hundred forty-four".