71057399480 has 16 divisors (see below), whose sum is σ = 159879148920. Its totient is φ = 28422959776.

The previous prime is 71057399431. The next prime is 71057399557. The reversal of 71057399480 is 8499375017.

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 3 ways as a sum of consecutive naturals, for example, 888217454 + ... + 888217533.

Almost surely, 2^71057399480 is an apocalyptic number.

It is an amenable number.

71057399480 is an abundant number, since it is smaller than the sum of its proper divisors (88821749440).

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

71057399480 is a wasteful number, since it uses less digits than its factorization.

71057399480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776434998 (or 1776434994 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 71057399480 in words is "seventy-one billion, fifty-seven million, three hundred ninety-nine thousand, four hundred eighty".