71148014448 has 40 divisors (see below), whose sum is σ = 210056043648. Its totient is φ = 20328004032.

The previous prime is 71148014447. The next prime is 71148014453. The reversal of 71148014448 is 84441084117.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71148014447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105874686 + ... + 105875357.

Almost surely, 2^71148014448 is an apocalyptic number.

It is an amenable number.

71148014448 is an abundant number, since it is smaller than the sum of its proper divisors (138908029200).

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

71148014448 is a wasteful number, since it uses less digits than its factorization.

71148014448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211750061 (or 211750055 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 71148014448 in words is "seventy-one billion, one hundred forty-eight million, fourteen thousand, four hundred forty-eight".