44140402231 has 2 divisors, whose sum is σ = 44140402232. Its totient is φ = 44140402230.

The previous prime is 44140402177. The next prime is 44140402237. The reversal of 44140402231 is 13220404144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44140402231 - 2¹⁵ = 44140369463 is a prime.

It is a super-2 number, since 2×44140402231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44140402196 and 44140402205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44140402237) 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 as a sum of consecutive naturals, namely, 22070201115 + 22070201116.

It is an arithmetic number, because the mean of its divisors is an integer number (22070201116).

Almost surely, 2^44140402231 is an apocalyptic number.

44140402231 is a deficient number, since it is larger than the sum of its proper divisors (1).

44140402231 is an equidigital number, since it uses as much as digits as its factorization.

44140402231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 44140402231 its reverse (13220404144), we get a palindrome (57360806375).

The spelling of 44140402231 in words is "forty-four billion, one hundred forty million, four hundred two thousand, two hundred thirty-one".