256410026448 has 20 divisors (see below), whose sum is σ = 662392568448. Its totient is φ = 85470008800.

The previous prime is 256410026447. The next prime is 256410026459. The reversal of 256410026448 is 844620014652.

256410026448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256410026448² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256410026443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670937728 + ... + 2670937823.

Almost surely, 2^256410026448 is an apocalyptic number.

It is an amenable number.

256410026448 is an abundant number, since it is smaller than the sum of its proper divisors (405982542000).

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

256410026448 is a wasteful number, since it uses less digits than its factorization.

256410026448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341875562 (or 5341875556 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 256410026448 in words is "two hundred fifty-six billion, four hundred ten million, twenty-six thousand, four hundred forty-eight".