256550350 has 96 divisors (see below), whose sum is σ = 579962880. Its totient is φ = 82477440.

The previous prime is 256550347. The next prime is 256550351. The reversal of 256550350 is 53055652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256550351) 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, 1150339 + ... + 1150561.

It is an arithmetic number, because the mean of its divisors is an integer number (6041280).

Almost surely, 2^256550350 is an apocalyptic number.

256550350 is an abundant number, since it is smaller than the sum of its proper divisors (323412530).

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

256550350 is a wasteful number, since it uses less digits than its factorization.

256550350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 256550350 is about 16017.1892041019. The cubic root of 256550350 is about 635.4151087423.

The spelling of 256550350 in words is "two hundred fifty-six million, five hundred fifty thousand, three hundred fifty".