33189250770 has 128 divisors (see below), whose sum is σ = 96384556800. Its totient is φ = 8077791744.

The previous prime is 33189250693. The next prime is 33189250771. The reversal of 33189250770 is 7705298133.

It is a happy number.

It is a super-4 number, since 4×33189250770⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (33189250771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259269 + ... + 365511.

It is an arithmetic number, because the mean of its divisors is an integer number (753004350).

Almost surely, 2^33189250770 is an apocalyptic number.

33189250770 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 33189250770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48192278400).

33189250770 is an abundant number, since it is smaller than the sum of its proper divisors (63195306030).

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

33189250770 is a wasteful number, since it uses less digits than its factorization.

33189250770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106361 (or 106355 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 33189250770 in words is "thirty-three billion, one hundred eighty-nine million, two hundred fifty thousand, seven hundred seventy".