32081273856 has 176 divisors, whose sum is σ = 95221199680. Its totient is φ = 10669916160.

The previous prime is 32081273803. The next prime is 32081273897. The reversal of 32081273856 is 65837218023.

32081273856 is a `hidden beast` number, since 320 + 8 + 1 + 273 + 8 + 56 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15951891 + ... + 15953901.

Almost surely, 2^32081273856 is an apocalyptic number.

32081273856 is a gapful number since it is divisible by the number (36) 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 32081273856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47610599840).

32081273856 is an abundant number, since it is smaller than the sum of its proper divisors (63139925824).

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

32081273856 is a wasteful number, since it uses less digits than its factorization.

32081273856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 32081273856 in words is "thirty-two billion, eighty-one million, two hundred seventy-three thousand, eight hundred fifty-six".