280252072660 has 48 divisors (see below), whose sum is σ = 674510489856. Its totient is φ = 95814208512.

The previous prime is 280252072649. The next prime is 280252072673. The reversal of 280252072660 is 66270252082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785992 + ... + 2884831.

It is an arithmetic number, because the mean of its divisors is an integer number (14052301872).

Almost surely, 2^280252072660 is an apocalyptic number.

280252072660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280252072660 is an abundant number, since it is smaller than the sum of its proper divisors (394258417196).

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

280252072660 is a wasteful number, since it uses less digits than its factorization.

280252072660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671192 (or 5671190 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 280252072660 in words is "two hundred eighty billion, two hundred fifty-two million, seventy-two thousand, six hundred sixty".