102855332382 has 64 divisors (see below), whose sum is σ = 230505302016. Its totient is φ = 30327464160.

The previous prime is 102855332351. The next prime is 102855332443. The reversal of 102855332382 is 283233558201.

It is a congruent number.

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, 677493 + ... + 815295.

It is an arithmetic number, because the mean of its divisors is an integer number (3601645344).

Almost surely, 2^102855332382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102855332382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115252651008).

102855332382 is an abundant number, since it is smaller than the sum of its proper divisors (127649969634).

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

102855332382 is a wasteful number, since it uses less digits than its factorization.

102855332382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138125.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 102855332382 in words is "one hundred two billion, eight hundred fifty-five million, three hundred thirty-two thousand, three hundred eighty-two".