33255969648 has 160 divisors (see below), whose sum is σ = 99378282240. Its totient is φ = 9477089280.

The previous prime is 33255969647. The next prime is 33255969689. The reversal of 33255969648 is 84696955233.

It is a happy number.

It is a super-2 number, since 2×33255969648² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33255969591 and 33255969600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33255969647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1362286 + ... + 1386482.

It is an arithmetic number, because the mean of its divisors is an integer number (621114264).

Almost surely, 2^33255969648 is an apocalyptic number.

33255969648 is a gapful number since it is divisible by the number (38) 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 33255969648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49689141120).

33255969648 is an abundant number, since it is smaller than the sum of its proper divisors (66122312592).

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

33255969648 is a wasteful number, since it uses less digits than its factorization.

33255969648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24375 (or 24369 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 60.

The spelling of 33255969648 in words is "thirty-three billion, two hundred fifty-five million, nine hundred sixty-nine thousand, six hundred forty-eight".