2556216230 has 8 divisors (see below), whose sum is σ = 4601189232. Its totient is φ = 1022486488.

The previous prime is 2556216209. The next prime is 2556216263. The reversal of 2556216230 is 326126552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127810802 + ... + 127810821.

It is an arithmetic number, because the mean of its divisors is an integer number (575148654).

Almost surely, 2^2556216230 is an apocalyptic number.

2556216230 is a deficient number, since it is larger than the sum of its proper divisors (2044973002).

2556216230 is a wasteful number, since it uses less digits than its factorization.

2556216230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255621630.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2556216230 is about 50559.0370754824. The cubic root of 2556216230 is about 1367.3064504649.

The spelling of 2556216230 in words is "two billion, five hundred fifty-six million, two hundred sixteen thousand, two hundred thirty".