280573177980480 has 672 divisors, whose sum is σ = 1119229550208000. Its totient is φ = 58291379097600.

The previous prime is 280573177980427. The next prime is 280573177980577. The reversal of 280573177980480 is 84089771375082.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×280573177980480² (a number of 30 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 5668234771 + ... + 5668284269.

It is an arithmetic number, because the mean of its divisors is an integer number (1665520164000).

Almost surely, 2^{280573177980480} is an apocalyptic number.

280573177980480 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 280573177980480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559614775104000).

280573177980480 is an abundant number, since it is smaller than the sum of its proper divisors (838656372227520).

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

280573177980480 is a wasteful number, since it uses less digits than its factorization.

280573177980480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56519 (or 56498 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 69.

The spelling of 280573177980480 in words is "two hundred eighty trillion, five hundred seventy-three billion, one hundred seventy-seven million, nine hundred eighty thousand, four hundred eighty".