28033335750000 has 1120 divisors, whose sum is σ = 113328349378560. Its totient is φ = 5822208000000.

The previous prime is 28033335749989. The next prime is 28033335750067. The reversal of 28033335750000 is 5753333082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2588244585 + ... + 2588255415.

Almost surely, 2^{28033335750000} is an apocalyptic number.

28033335750000 is a gapful number since it is divisible by the number (20) 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 28033335750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56664174689280).

28033335750000 is an abundant number, since it is smaller than the sum of its proper divisors (85295013628560).

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

28033335750000 is a wasteful number, since it uses less digits than its factorization.

28033335750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925 (or 10894 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 28033335750000 in words is "twenty-eight trillion, thirty-three billion, three hundred thirty-five million, seven hundred fifty thousand".