28959840000 has 1620 divisors, whose sum is σ = 136718998416. Its totient is φ = 5750784000.

The previous prime is 28959839981. The next prime is 28959840103. The reversal of 28959840000 is 4895982.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1703519992 + ... + 1703520008.

Almost surely, 2^28959840000 is an apocalyptic number.

28959840000 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 28959840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68359499208).

28959840000 is an abundant number, since it is smaller than the sum of its proper divisors (107759158416).

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

28959840000 is a wasteful number, since it uses less digits than its factorization.

28959840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 28959840000 in words is "twenty-eight billion, nine hundred fifty-nine million, eight hundred forty thousand".