33728928620 has 48 divisors (see below), whose sum is σ = 71070120576. Its totient is φ = 13446048000.

The previous prime is 33728928617. The next prime is 33728928691. The reversal of 33728928620 is 2682982733.

It is a super-2 number, since 2×33728928620² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15752750 + ... + 15754890.

It is an arithmetic number, because the mean of its divisors is an integer number (1480627512).

Almost surely, 2^33728928620 is an apocalyptic number.

It is an amenable number.

33728928620 is an abundant number, since it is smaller than the sum of its proper divisors (37341191956).

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

33728928620 is a wasteful number, since it uses less digits than its factorization.

33728928620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4440 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 33728928620 in words is "thirty-three billion, seven hundred twenty-eight million, nine hundred twenty-eight thousand, six hundred twenty".