33850451128 has 16 divisors (see below), whose sum is σ = 68351872680. Its totient is φ = 15623285088.

The previous prime is 33850451111. The next prime is 33850451149. The reversal of 33850451128 is 82115405833.

It is a super-2 number, since 2×33850451128² (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 3 ways as a sum of consecutive naturals, for example, 162742450 + ... + 162742657.

Almost surely, 2^33850451128 is an apocalyptic number.

It is an amenable number.

33850451128 is an abundant number, since it is smaller than the sum of its proper divisors (34501421552).

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

33850451128 is a wasteful number, since it uses less digits than its factorization.

33850451128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325485126 (or 325485122 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 33850451128 in words is "thirty-three billion, eight hundred fifty million, four hundred fifty-one thousand, one hundred twenty-eight".