256370650 has 24 divisors (see below), whose sum is σ = 497584224. Its totient is φ = 98089200.

The previous prime is 256370573. The next prime is 256370657. The reversal of 256370650 is 56073652.

It is not an unprimeable number, because it can be changed into a prime (256370657) 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 11 ways as a sum of consecutive naturals, for example, 110316 + ... + 112615.

It is an arithmetic number, because the mean of its divisors is an integer number (20732676).

Almost surely, 2^256370650 is an apocalyptic number.

256370650 is a deficient number, since it is larger than the sum of its proper divisors (241213574).

256370650 is a wasteful number, since it uses less digits than its factorization.

256370650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222966 (or 222961 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 256370650 is about 16011.5786229841. The cubic root of 256370650 is about 635.2667158240.

The spelling of 256370650 in words is "two hundred fifty-six million, three hundred seventy thousand, six hundred fifty".