44140145211 has 16 divisors (see below), whose sum is σ = 65702734720. Its totient is φ = 29287296360.

The previous prime is 44140145191. The next prime is 44140145219. The reversal of 44140145211 is 11254104144.

It is a happy number.

44140145211 is a `hidden beast` number, since 4 + 4 + 1 + 401 + 45 + 211 = 666.

It is not a de Polignac number, because 44140145211 - 2¹⁰ = 44140144187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44140145219) 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 15 ways as a sum of consecutive naturals, for example, 3868285 + ... + 3879678.

It is an arithmetic number, because the mean of its divisors is an integer number (4106420920).

Almost surely, 2^44140145211 is an apocalyptic number.

44140145211 is a deficient number, since it is larger than the sum of its proper divisors (21562589509).

44140145211 is a wasteful number, since it uses less digits than its factorization.

44140145211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748183 (or 7748177 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 44140145211 its reverse (11254104144), we get a palindrome (55394249355).

The spelling of 44140145211 in words is "forty-four billion, one hundred forty million, one hundred forty-five thousand, two hundred eleven".