1002858039184 has 135 divisors (see below), whose sum is σ = 2056411739577. Its totient is φ = 473763569664.

The previous prime is 1002858039181. The next prime is 1002858039191. The reversal of 1002858039184 is 4819308582001.

It is a happy number.

The square root of 1002858039184 is 1001428.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 830905171600 + 171952867584 = 911540^2 + 414672^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002858039181) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10338742624 + ... + 10338742720.

Almost surely, 2^{1002858039184} is an apocalyptic number.

1002858039184 is the 1001428-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002858039184

1002858039184 is an abundant number, since it is smaller than the sum of its proper divisors (1053553700393).

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

1002858039184 is an frugal number, since it uses more digits than its factorization.

1002858039184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

Multiplying 1002858039184 by its sum of digits (49), we get a square (49140043920016 = 7009996²).

The spelling of 1002858039184 in words is "one trillion, two billion, eight hundred fifty-eight million, thirty-nine thousand, one hundred eighty-four".