280053650790816 has 384 divisors, whose sum is σ = 858599481600000. Its totient is φ = 79894823823360.

The previous prime is 280053650790773. The next prime is 280053650790889. The reversal of 280053650790816 is 618097056350082.

It is a self number, because there is not a number n which added to its sum of digits gives 280053650790816.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117030358516 + ... + 117030360908.

It is an arithmetic number, because the mean of its divisors is an integer number (2235936150000).

Almost surely, 2^{280053650790816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280053650790816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429299740800000).

280053650790816 is an abundant number, since it is smaller than the sum of its proper divisors (578545830809184).

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

280053650790816 is a wasteful number, since it uses less digits than its factorization.

280053650790816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297 (or 6275 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 280053650790816 in words is "two hundred eighty trillion, fifty-three billion, six hundred fifty million, seven hundred ninety thousand, eight hundred sixteen".