71044107374040 has 64 divisors (see below), whose sum is σ = 213416120424960. Its totient is φ = 18919868784000.

The previous prime is 71044107374039. The next prime is 71044107374047. The reversal of 71044107374040 is 4047370144017.

It is a super-3 number, since 3×71044107374040³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71044107373983 and 71044107374001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71044107374047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394073814 + ... + 394254053.

It is an arithmetic number, because the mean of its divisors is an integer number (3334626881640).

Almost surely, 2^{71044107374040} is an apocalyptic number.

It is an amenable number.

71044107374040 is an abundant number, since it is smaller than the sum of its proper divisors (142372013050920).

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

71044107374040 is a wasteful number, since it uses less digits than its factorization.

71044107374040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788328632 (or 788328628 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 71044107374040 in words is "seventy-one trillion, forty-four billion, one hundred seven million, three hundred seventy-four thousand, forty".