43444140201 has 72 divisors (see below), whose sum is σ = 80007275712. Its totient is φ = 22231281600.

The previous prime is 43444140149. The next prime is 43444140211. The reversal of 43444140201 is 10204144434.

43444140201 is a `hidden beast` number, since 4 + 3 + 44 + 414 + 0 + 201 = 666.

It is not a de Polignac number, because 43444140201 - 2⁷ = 43444140073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43444140211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 468211 + ... + 553271.

Almost surely, 2^43444140201 is an apocalyptic number.

It is an amenable number.

43444140201 is a deficient number, since it is larger than the sum of its proper divisors (36563135511).

43444140201 is a wasteful number, since it uses less digits than its factorization.

43444140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85163 (or 85149 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 43444140201 its reverse (10204144434), we get a palindrome (53648284635).

The spelling of 43444140201 in words is "forty-three billion, four hundred forty-four million, one hundred forty thousand, two hundred one".