43442611641 has 96 divisors (see below), whose sum is σ = 74446549632. Its totient is φ = 24065786880.

The previous prime is 43442611627. The next prime is 43442611661. The reversal of 43442611641 is 14611624434.

43442611641 is a `hidden beast` number, since 4 + 3 + 4 + 4 + 2 + 6 + 1 + 1 + 641 = 666.

43442611641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43442611641 - 2¹⁴ = 43442595257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43442611596 and 43442611605.

It is not an unprimeable number, because it can be changed into a prime (43442611661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83064006 + ... + 83064528.

It is an arithmetic number, because the mean of its divisors is an integer number (775484892).

Almost surely, 2^43442611641 is an apocalyptic number.

It is an amenable number.

43442611641 is a deficient number, since it is larger than the sum of its proper divisors (31003937991).

43442611641 is a wasteful number, since it uses less digits than its factorization.

43442611641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1060 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 43442611641 in words is "forty-three billion, four hundred forty-two million, six hundred eleven thousand, six hundred forty-one".