256360030 has 16 divisors (see below), whose sum is σ = 464214240. Its totient is φ = 101929312.

The previous prime is 256360019. The next prime is 256360031. The reversal of 256360030 is 30063652.

It is a junction number, because it is equal to n+sod(n) for n = 256359977 and 256360004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256360031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75085 + ... + 78424.

It is an arithmetic number, because the mean of its divisors is an integer number (29013390).

Almost surely, 2^256360030 is an apocalyptic number.

256360030 is a deficient number, since it is larger than the sum of its proper divisors (207854210).

256360030 is a wasteful number, since it uses less digits than its factorization.

256360030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153683.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 256360030 is about 16011.2469845418. The cubic root of 256360030 is about 635.2579438557.

The spelling of 256360030 in words is "two hundred fifty-six million, three hundred sixty thousand, thirty".