280488728540160 has 528 divisors, whose sum is σ = 1121724444627072. Its totient is φ = 63476932608000.

The previous prime is 280488728540131. The next prime is 280488728540179. The reversal of 280488728540160 is 61045827884082.

280488728540160 is a `hidden beast` number, since 2 + 8 + 0 + 4 + 8 + 8 + 7 + 28 + 540 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28273755 + ... + 36883365.

It is an arithmetic number, because the mean of its divisors is an integer number (2124478114824).

Almost surely, 2^{280488728540160} is an apocalyptic number.

280488728540160 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 280488728540160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560862222313536).

280488728540160 is an abundant number, since it is smaller than the sum of its proper divisors (841235716086912).

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

280488728540160 is a wasteful number, since it uses less digits than its factorization.

280488728540160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8609750 (or 8609729 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 63.

The spelling of 280488728540160 in words is "two hundred eighty trillion, four hundred eighty-eight billion, seven hundred twenty-eight million, five hundred forty thousand, one hundred sixty".