10644256 has 96 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 4147200.

The previous prime is 10644233. The next prime is 10644269. The reversal of 10644256 is 65244601.

It is a super-2 number, since 2×10644256² = 226600371587072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174466 + ... + 174526.

It is an arithmetic number, because the mean of its divisors is an integer number (273420).

Almost surely, 2^10644256 is an apocalyptic number.

10644256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10644256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13124160).

10644256 is an abundant number, since it is smaller than the sum of its proper divisors (15604064).

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

10644256 is a wasteful number, since it uses less digits than its factorization.

10644256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 10644256 is about 3262.5536010922. The cubic root of 10644256 is about 219.9742118533.

Adding to 10644256 its reverse (65244601), we get a palindrome (75888857).

It can be divided in two parts, 1064 and 4256, that multiplied together give a square (4528384 = 2128²).

The spelling of 10644256 in words is "ten million, six hundred forty-four thousand, two hundred fifty-six".