71042864496 has 20 divisors (see below), whose sum is σ = 183527400072. Its totient is φ = 23680954816.

The previous prime is 71042864471. The next prime is 71042864539. The reversal of 71042864496 is 69446824017.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740029791 + ... + 740029886.

Almost surely, 2^71042864496 is an apocalyptic number.

It is an amenable number.

71042864496 is an abundant number, since it is smaller than the sum of its proper divisors (112484535576).

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

71042864496 is a wasteful number, since it uses less digits than its factorization.

71042864496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480059688 (or 1480059682 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 71042864496 in words is "seventy-one billion, forty-two million, eight hundred sixty-four thousand, four hundred ninety-six".