32856385500 has 144 divisors (see below), whose sum is σ = 108157847616. Its totient is φ = 8380732800.

The previous prime is 32856385481. The next prime is 32856385547. The reversal of 32856385500 is 558365823.

32856385500 is a `hidden beast` number, since 3 + 2 + 8 + 5 + 63 + 85 + 500 = 666.

It is a super-2 number, since 2×32856385500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55227 + ... + 262226.

It is an arithmetic number, because the mean of its divisors is an integer number (751096164).

Almost surely, 2^32856385500 is an apocalyptic number.

32856385500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32856385500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54078923808).

32856385500 is an abundant number, since it is smaller than the sum of its proper divisors (75301462116).

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

32856385500 is a wasteful number, since it uses less digits than its factorization.

32856385500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317501 (or 317486 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 32856385500 in words is "thirty-two billion, eight hundred fifty-six million, three hundred eighty-five thousand, five hundred".