256234416 has 40 divisors (see below), whose sum is σ = 663444144. Its totient is φ = 85217280.

The previous prime is 256234369. The next prime is 256234417. The reversal of 256234416 is 614432652.

It is a super-2 number, since 2×256234416² = 131312151885722112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256234417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16096 + ... + 27776.

Almost surely, 2^256234416 is an apocalyptic number.

It is an amenable number.

256234416 is an abundant number, since it is smaller than the sum of its proper divisors (407209728).

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

256234416 is a wasteful number, since it uses less digits than its factorization.

256234416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149 (or 12143 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 256234416 is about 16007.3238238002. The cubic root of 256234416 is about 635.1541701015.

The spelling of 256234416 in words is "two hundred fifty-six million, two hundred thirty-four thousand, four hundred sixteen".