32686951872 has 112 divisors (see below), whose sum is σ = 92283848960. Its totient is φ = 10180712448.

The previous prime is 32686951823. The next prime is 32686951877. The reversal of 32686951872 is 27815968623.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32686951877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204933 + ... + 327675.

Almost surely, 2^32686951872 is an apocalyptic number.

32686951872 is a gapful number since it is divisible by the number (32) 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 32686951872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46141924480).

32686951872 is an abundant number, since it is smaller than the sum of its proper divisors (59596897088).

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

32686951872 is a wasteful number, since it uses less digits than its factorization.

32686951872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122850 (or 122840 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 32686951872 in words is "thirty-two billion, six hundred eighty-six million, nine hundred fifty-one thousand, eight hundred seventy-two".