71388200448 has 200 divisors, whose sum is σ = 216575688120. Its totient is φ = 23405137920.

The previous prime is 71388200437. The next prime is 71388200449. The reversal of 71388200448 is 84400288317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71388200449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2515683 + ... + 2543901.

Almost surely, 2^71388200448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71388200448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108287844060).

71388200448 is an abundant number, since it is smaller than the sum of its proper divisors (145187487672).

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

71388200448 is an equidigital number, since it uses as much as digits as its factorization.

71388200448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310 (or 28285 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 71388200448 in words is "seventy-one billion, three hundred eighty-eight million, two hundred thousand, four hundred forty-eight".