280794010000 has 225 divisors, whose sum is σ = 791869152789. Its totient is φ = 96145056000.

The previous prime is 280794009997. The next prime is 280794010009. The reversal of 280794010000 is 10497082.

The square root of 280794010000 is 529900.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 185861005456 + 94933004544 = 431116^2 + 308112^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280794010009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 370929622 + ... + 370930378.

Almost surely, 2^280794010000 is an apocalyptic number.

280794010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

280794010000 is the 529900-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280794010000

280794010000 is an abundant number, since it is smaller than the sum of its proper divisors (511075142789).

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

280794010000 is an frugal number, since it uses more digits than its factorization.

280794010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 280794010000 in words is "two hundred eighty billion, seven hundred ninety-four million, ten thousand".