71028942000 has 160 divisors (see below), whose sum is σ = 231572053440. Its totient is φ = 18728089600.

The previous prime is 71028941993. The next prime is 71028942029. The reversal of 71028942000 is 24982017.

It is a happy number.

It is a super-2 number, since 2×71028942000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467494 + ... + 600506.

It is an arithmetic number, because the mean of its divisors is an integer number (1447325334).

Almost surely, 2^71028942000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71028942000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115786026720).

71028942000 is an abundant number, since it is smaller than the sum of its proper divisors (160543111440).

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

71028942000 is a wasteful number, since it uses less digits than its factorization.

71028942000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133128 (or 133112 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 71028942000 in words is "seventy-one billion, twenty-eight million, nine hundred forty-two thousand".