28950239000 has 64 divisors (see below), whose sum is σ = 67775348160. Its totient is φ = 11574662400.

The previous prime is 28950238997. The next prime is 28950239011. The reversal of 28950239000 is 93205982.

It is a congruent number.

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, 2641532 + ... + 2652468.

It is an arithmetic number, because the mean of its divisors is an integer number (1058989815).

Almost surely, 2^28950239000 is an apocalyptic number.

28950239000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28950239000 is an abundant number, since it is smaller than the sum of its proper divisors (38825109160).

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

28950239000 is a wasteful number, since it uses less digits than its factorization.

28950239000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13605 (or 13591 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 28950239000 in words is "twenty-eight billion, nine hundred fifty million, two hundred thirty-nine thousand".