71440429510540 has 48 divisors (see below), whose sum is σ = 152507900432160. Its totient is φ = 28103364564480.

The previous prime is 71440429510529. The next prime is 71440429510577. The reversal of 71440429510540 is 4501592404417.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373831 + ... + 12420289.

It is an arithmetic number, because the mean of its divisors is an integer number (3177247925670).

Almost surely, 2^{71440429510540} is an apocalyptic number.

It is an amenable number.

71440429510540 is an abundant number, since it is smaller than the sum of its proper divisors (81067470921620).

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

71440429510540 is a wasteful number, since it uses less digits than its factorization.

71440429510540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053002 (or 9053000 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 71440429510540 in words is "seventy-one trillion, four hundred forty billion, four hundred twenty-nine million, five hundred ten thousand, five hundred forty".