256276650 has 96 divisors (see below), whose sum is σ = 744202368. Its totient is φ = 57139200.

The previous prime is 256276621. The next prime is 256276651. The reversal of 256276650 is 56672652.

It is a junction number, because it is equal to n+sod(n) for n = 256276599 and 256276608.

It is not an unprimeable number, because it can be changed into a prime (256276651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40074 + ... + 46026.

It is an arithmetic number, because the mean of its divisors is an integer number (7752108).

Almost surely, 2^256276650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256276650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372101184).

256276650 is an abundant number, since it is smaller than the sum of its proper divisors (487925718).

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

256276650 is a wasteful number, since it uses less digits than its factorization.

256276650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6011 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 256276650 is about 16008.6429780916. The cubic root of 256276650 is about 635.1890647472.

The spelling of 256276650 in words is "two hundred fifty-six million, two hundred seventy-six thousand, six hundred fifty".