32138858261832 has 256 divisors, whose sum is σ = 96034401792000. Its totient is φ = 8953922880000.

The previous prime is 32138858261801. The next prime is 32138858261869. The reversal of 32138858261832 is 23816285883123.

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, 678712957 + ... + 678760307.

It is an arithmetic number, because the mean of its divisors is an integer number (375134382000).

Almost surely, 2^{32138858261832} 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 32138858261832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48017200896000).

32138858261832 is an abundant number, since it is smaller than the sum of its proper divisors (63895543530168).

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

32138858261832 is a wasteful number, since it uses less digits than its factorization.

32138858261832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49433 (or 49415 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The spelling of 32138858261832 in words is "thirty-two trillion, one hundred thirty-eight billion, eight hundred fifty-eight million, two hundred sixty-one thousand, eight hundred thirty-two".