1280288230 has 96 divisors (see below), whose sum is σ = 2613591360. Its totient is φ = 450777600.

The previous prime is 1280288213. The next prime is 1280288237. The reversal of 1280288230 is 328820821.

It is a super-3 number, since 3×1280288230³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280288237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7400424 + ... + 7400596.

It is an arithmetic number, because the mean of its divisors is an integer number (27224910).

Almost surely, 2^1280288230 is an apocalyptic number.

1280288230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1280288230 is an abundant number, since it is smaller than the sum of its proper divisors (1333303130).

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

1280288230 is a wasteful number, since it uses less digits than its factorization.

1280288230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1280288230 is about 35781.1155499657. The cubic root of 1280288230 is about 1085.8485380829.

The spelling of 1280288230 in words is "one billion, two hundred eighty million, two hundred eighty-eight thousand, two hundred thirty".