33308740650 has 96 divisors (see below), whose sum is σ = 83454658560. Its totient is φ = 8791519680.

The previous prime is 33308740643. The next prime is 33308740651. The reversal of 33308740650 is 5604780333.

It is a super-2 number, since 2×33308740650² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33308740599 and 33308740608.

It is not an unprimeable number, because it can be changed into a prime (33308740651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5984769 + ... + 5990331.

It is an arithmetic number, because the mean of its divisors is an integer number (869319360).

Almost surely, 2^33308740650 is an apocalyptic number.

33308740650 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 33308740650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41727329280).

33308740650 is an abundant number, since it is smaller than the sum of its proper divisors (50145917910).

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

33308740650 is a wasteful number, since it uses less digits than its factorization.

33308740650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 33308740650 in words is "thirty-three billion, three hundred eight million, seven hundred forty thousand, six hundred fifty".