33921044850 has 192 divisors, whose sum is σ = 110402933760. Its totient is φ = 6677510400.

The previous prime is 33921044849. The next prime is 33921044903. The reversal of 33921044850 is 5844012933.

It is a junction number, because it is equal to n+sod(n) for n = 33921044799 and 33921044808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142164 + ... + 296736.

It is an arithmetic number, because the mean of its divisors is an integer number (575015280).

Almost surely, 2^33921044850 is an apocalyptic number.

33921044850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33921044850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55201466880).

33921044850 is an abundant number, since it is smaller than the sum of its proper divisors (76481888910).

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

33921044850 is a wasteful number, since it uses less digits than its factorization.

33921044850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154625 (or 154620 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 33921044850 in words is "thirty-three billion, nine hundred twenty-one million, forty-four thousand, eight hundred fifty".