71503940044 has 12 divisors (see below), whose sum is σ = 126846031144. Its totient is φ = 35262216864.

The previous prime is 71503940029. The next prime is 71503940059. The reversal of 71503940044 is 44004930517.

It is an interprime number because it is at equal distance from previous prime (71503940029) and next prime (71503940059).

It is a super-2 number, since 2×71503940044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71503939985 and 71503940012.

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, 122437962 + ... + 122438545.

Almost surely, 2^71503940044 is an apocalyptic number.

It is an amenable number.

71503940044 is a deficient number, since it is larger than the sum of its proper divisors (55342091100).

71503940044 is a wasteful number, since it uses less digits than its factorization.

71503940044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244876584 (or 244876582 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 71503940044 in words is "seventy-one billion, five hundred three million, nine hundred forty thousand, forty-four".