71242053360 has 40 divisors (see below), whose sum is σ = 220850366160. Its totient is φ = 18997880832.

The previous prime is 71242053287. The next prime is 71242053397. The reversal of 71242053360 is 6335024217.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 148420705 + ... + 148421184.

It is an arithmetic number, because the mean of its divisors is an integer number (5521259154).

Almost surely, 2^71242053360 is an apocalyptic number.

It is an amenable number.

71242053360 is an abundant number, since it is smaller than the sum of its proper divisors (149608312800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71242053360 is a wasteful number, since it uses less digits than its factorization.

71242053360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296841905 (or 296841899 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 71242053360 its reverse (6335024217), we get a palindrome (77577077577).

The spelling of 71242053360 in words is "seventy-one billion, two hundred forty-two million, fifty-three thousand, three hundred sixty".