280081270080 has 336 divisors, whose sum is σ = 997368413184. Its totient is φ = 72066170880.

The previous prime is 280081270069. The next prime is 280081270141. The reversal of 280081270080 is 80072180082.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 31511397 + ... + 31520283.

Almost surely, 2^280081270080 is an apocalyptic number.

280081270080 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 280081270080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498684206592).

280081270080 is an abundant number, since it is smaller than the sum of its proper divisors (717287143104).

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

280081270080 is a wasteful number, since it uses less digits than its factorization.

280081270080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9294 (or 9281 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 280081270080 in words is "two hundred eighty billion, eighty-one million, two hundred seventy thousand, eighty".