280228466582812 has 96 divisors (see below), whose sum is σ = 550271050560000. Its totient is φ = 123746737040640.

The previous prime is 280228466582759. The next prime is 280228466582863. The reversal of 280228466582812 is 218285664822082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4506046614 + ... + 4506108802.

It is an arithmetic number, because the mean of its divisors is an integer number (5731990110000).

Almost surely, 2^{280228466582812} is an apocalyptic number.

280228466582812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

280228466582812 is a deficient number, since it is larger than the sum of its proper divisors (270042583977188).

280228466582812 is a wasteful number, since it uses less digits than its factorization.

280228466582812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66379 (or 66377 counting only the distinct ones).

The product of its (nonzero) digits is 94371840, while the sum is 64.

The spelling of 280228466582812 in words is "two hundred eighty trillion, two hundred twenty-eight billion, four hundred sixty-six million, five hundred eighty-two thousand, eight hundred twelve".