256462848 has 130 divisors (see below), whose sum is σ = 767119914. Its totient is φ = 85377024.

The previous prime is 256462841. The next prime is 256462853. The reversal of 256462848 is 848264652.

256462848 is a `hidden beast` number, since 2 + 564 + 6 + 2 + 84 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 160579584 + 95883264 = 12672^2 + 9792^2 .

It is a super-2 number, since 2×256462848² = 131546384808542208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256462841) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 331390 + ... + 332162.

Almost surely, 2^256462848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256462848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383559957).

256462848 is an abundant number, since it is smaller than the sum of its proper divisors (510657066).

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

256462848 is an frugal number, since it uses more digits than its factorization.

256462848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 778 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 256462848 is about 16014.4574681754. The cubic root of 256462848 is about 635.3428598768.

The spelling of 256462848 in words is "two hundred fifty-six million, four hundred sixty-two thousand, eight hundred forty-eight".