28798342594560 has 3672 divisors, whose sum is σ = 134548057779408. Its totient is φ = 5885971660800.

The previous prime is 28798342594559. The next prime is 28798342594583. The reversal of 28798342594560 is 6549524389782.

28798342594560 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 8 + 3 + 4 + 2 + 59 + 4 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 472103976930 + ... + 472103976990.

Almost surely, 2^{28798342594560} is an apocalyptic number.

28798342594560 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 28798342594560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67274028889704).

28798342594560 is an abundant number, since it is smaller than the sum of its proper divisors (105749715184848).

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

28798342594560 is an frugal number, since it uses more digits than its factorization.

28798342594560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 72.

The spelling of 28798342594560 in words is "twenty-eight trillion, seven hundred ninety-eight billion, three hundred forty-two million, five hundred ninety-four thousand, five hundred sixty".