33423268736 has 256 divisors, whose sum is σ = 80615969280. Its totient is φ = 13602201600.

The previous prime is 33423268699. The next prime is 33423268751. The reversal of 33423268736 is 63786232433.

It is a super-2 number, since 2×33423268736² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127084541 + ... + 127084803.

It is an arithmetic number, because the mean of its divisors is an integer number (314906130).

Almost surely, 2^33423268736 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 33423268736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40307984640).

33423268736 is an abundant number, since it is smaller than the sum of its proper divisors (47192700544).

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

33423268736 is a wasteful number, since it uses less digits than its factorization.

33423268736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 473 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 47.

The spelling of 33423268736 in words is "thirty-three billion, four hundred twenty-three million, two hundred sixty-eight thousand, seven hundred thirty-six".