6230640280 has 16 divisors (see below), whose sum is σ = 14018940720. Its totient is φ = 2492256096.

The previous prime is 6230640263. The next prime is 6230640289. The reversal of 6230640280 is 820460326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6230640289) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77882964 + ... + 77883043.

It is an arithmetic number, because the mean of its divisors is an integer number (876183795).

Almost surely, 2^6230640280 is an apocalyptic number.

It is an amenable number.

6230640280 is an abundant number, since it is smaller than the sum of its proper divisors (7788300440).

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

6230640280 is a wasteful number, since it uses less digits than its factorization.

6230640280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155766018 (or 155766014 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6230640280 is about 78934.4049195280. The cubic root of 6230640280 is about 1840.1118670172. Note that the first 3 decimals are identical.

The spelling of 6230640280 in words is "six billion, two hundred thirty million, six hundred forty thousand, two hundred eighty".