280324261248 has 128 divisors (see below), whose sum is σ = 761112184320. Its totient is φ = 91374176256.

The previous prime is 280324261219. The next prime is 280324261279. The reversal of 280324261248 is 842162423082.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23041215 + ... + 23053377.

It is an arithmetic number, because the mean of its divisors is an integer number (5946188940).

Almost surely, 2^280324261248 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 280324261248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380556092160).

280324261248 is an abundant number, since it is smaller than the sum of its proper divisors (480787923072).

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

280324261248 is a wasteful number, since it uses less digits than its factorization.

280324261248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504 (or 13492 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 280324261248 in words is "two hundred eighty billion, three hundred twenty-four million, two hundred sixty-one thousand, two hundred forty-eight".