28798804080 has 240 divisors, whose sum is σ = 100011884544. Its totient is φ = 7418856960.

The previous prime is 28798804043. The next prime is 28798804103. The reversal of 28798804080 is 8040889782.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×28798804080² (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 47 ways as a sum of consecutive naturals, for example, 24261247 + ... + 24262433.

Almost surely, 2^28798804080 is an apocalyptic number.

28798804080 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 28798804080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50005942272).

28798804080 is an abundant number, since it is smaller than the sum of its proper divisors (71213080464).

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

28798804080 is a wasteful number, since it uses less digits than its factorization.

28798804080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 28798804080 in words is "twenty-eight billion, seven hundred ninety-eight million, eight hundred four thousand, eighty".