71481140496 has 120 divisors (see below), whose sum is σ = 207556090560. Its totient is φ = 23815679616.

The previous prime is 71481140483. The next prime is 71481140501. The reversal of 71481140496 is 69404118417.

71481140496 is a `hidden beast` number, since 7 + 1 + 48 + 114 + 0 + 496 = 666.

It is a super-2 number, since 2×71481140496² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13461490 + ... + 13466798.

It is an arithmetic number, because the mean of its divisors is an integer number (1729634088).

Almost surely, 2^71481140496 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 71481140496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103778045280).

71481140496 is an abundant number, since it is smaller than the sum of its proper divisors (136074950064).

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

71481140496 is a wasteful number, since it uses less digits than its factorization.

71481140496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795 (or 8777 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 71481140496 in words is "seventy-one billion, four hundred eighty-one million, one hundred forty thousand, four hundred ninety-six".