71000038081444 has 12 divisors (see below), whose sum is σ = 124260378791500. Its totient is φ = 35497072712448.

The previous prime is 71000038081429. The next prime is 71000038081477. The reversal of 71000038081444 is 44418083000017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43453936641600 + 27546101439844 = 6591960^2 + 5248438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71000038081397 and 71000038081406.

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, 736527849 + ... + 736624240.

Almost surely, 2^{71000038081444} is an apocalyptic number.

It is an amenable number.

71000038081444 is a deficient number, since it is larger than the sum of its proper divisors (53260340710056).

71000038081444 is a wasteful number, since it uses less digits than its factorization.

71000038081444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473164142 (or 1473164140 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 71000038081444 in words is "seventy-one trillion, thirty-eight million, eighty-one thousand, four hundred forty-four".