256550342 has 8 divisors (see below), whose sum is σ = 386779536. Its totient is φ = 127623832.

The previous prime is 256550317. The next prime is 256550347. The reversal of 256550342 is 243055652.

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

It is a junction number, because it is equal to n+sod(n) for n = 256550299 and 256550308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256550347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325178 + ... + 325965.

It is an arithmetic number, because the mean of its divisors is an integer number (48347442).

Almost surely, 2^256550342 is an apocalyptic number.

256550342 is a deficient number, since it is larger than the sum of its proper divisors (130229194).

256550342 is a wasteful number, since it uses less digits than its factorization.

256550342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651342.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 256550342 is about 16017.1889543702. The cubic root of 256550342 is about 635.4151021376.

The spelling of 256550342 in words is "two hundred fifty-six million, five hundred fifty thousand, three hundred forty-two".