28030749000 has 64 divisors (see below), whose sum is σ = 87455946240. Its totient is φ = 7474865600.

The previous prime is 28030748983. The next prime is 28030749031. The reversal of 28030749000 is 94703082.

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, 4668792 + ... + 4674791.

It is an arithmetic number, because the mean of its divisors is an integer number (1366499160).

Almost surely, 2^28030749000 is an apocalyptic number.

28030749000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28030749000 is an abundant number, since it is smaller than the sum of its proper divisors (59425197240).

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

28030749000 is a wasteful number, since it uses less digits than its factorization.

28030749000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343607 (or 9343593 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 28030749000 in words is "twenty-eight billion, thirty million, seven hundred forty-nine thousand".