256841104 has 20 divisors (see below), whose sum is σ = 535909276. Its totient is φ = 118541952.

The previous prime is 256841077. The next prime is 256841113. The reversal of 256841104 is 401148652.

256841104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33039504 + 223801600 = 5748^2 + 14960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617199 + ... + 617614.

Almost surely, 2^256841104 is an apocalyptic number.

It is an amenable number.

256841104 is an abundant number, since it is smaller than the sum of its proper divisors (279068172).

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

256841104 is a wasteful number, since it uses less digits than its factorization.

256841104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234834 (or 1234828 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 256841104 is about 16026.2629455528. The cubic root of 256841104 is about 635.6550612961.

Adding to 256841104 its reverse (401148652), we get a palindrome (657989756).

The spelling of 256841104 in words is "two hundred fifty-six million, eight hundred forty-one thousand, one hundred four".