32155769394980 has 192 divisors, whose sum is σ = 84325281030144. Its totient is φ = 10006441536000.

The previous prime is 32155769394949. The next prime is 32155769394997. The reversal of 32155769394980 is 8949396755123.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5630494325 + ... + 5630500035.

It is an arithmetic number, because the mean of its divisors is an integer number (439194172032).

It is a 1-persistent number, because it is pandigital, but 2⋅32155769394980 = 64311538789960 is not.

Almost surely, 2^{32155769394980} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32155769394980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42162640515072).

32155769394980 is an abundant number, since it is smaller than the sum of its proper divisors (52169511635164).

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

32155769394980 is a wasteful number, since it uses less digits than its factorization.

32155769394980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986 (or 10984 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 71.

The spelling of 32155769394980 in words is "thirty-two trillion, one hundred fifty-five billion, seven hundred sixty-nine million, three hundred ninety-four thousand, nine hundred eighty".