33381946260 has 384 divisors, whose sum is σ = 118230336000. Its totient is φ = 7751614464.

The previous prime is 33381946243. The next prime is 33381946261. The reversal of 33381946260 is 6264918333.

33381946260 is a `hidden beast` number, since 3 + 3 + 3 + 8 + 19 + 4 + 626 + 0 = 666.

It is a super-2 number, since 2×33381946260² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33381946261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47082786 + ... + 47083494.

It is an arithmetic number, because the mean of its divisors is an integer number (307891500).

Almost surely, 2^33381946260 is an apocalyptic number.

33381946260 is a gapful number since it is divisible by the number (30) 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 33381946260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59115168000).

33381946260 is an abundant number, since it is smaller than the sum of its proper divisors (84848389740).

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

33381946260 is a wasteful number, since it uses less digits than its factorization.

33381946260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 33381946260 in words is "thirty-three billion, three hundred eighty-one million, nine hundred forty-six thousand, two hundred sixty".