71440171341 has 16 divisors (see below), whose sum is σ = 118757687808. Its totient is φ = 37111777200.

The previous prime is 71440171301. The next prime is 71440171349. The reversal of 71440171341 is 14317104417.

It is not a de Polignac number, because 71440171341 - 2⁶ = 71440171277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71440171349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154632175 + ... + 154632636.

It is an arithmetic number, because the mean of its divisors is an integer number (7422355488).

Almost surely, 2^71440171341 is an apocalyptic number.

It is an amenable number.

71440171341 is a deficient number, since it is larger than the sum of its proper divisors (47317516467).

71440171341 is a wasteful number, since it uses less digits than its factorization.

71440171341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309264832.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 71440171341 its reverse (14317104417), we get a palindrome (85757275758).

The spelling of 71440171341 in words is "seventy-one billion, four hundred forty million, one hundred seventy-one thousand, three hundred forty-one".