10444640 has 48 divisors (see below), whose sum is σ = 25537680. Its totient is φ = 4032000.

The previous prime is 10444631. The next prime is 10444717. The reversal of 10444640 is 4644401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (532035).

Almost surely, 2^10444640 is an apocalyptic number.

10444640 is a gapful number since it is divisible by the number (10) 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 10444640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12768840).

10444640 is an abundant number, since it is smaller than the sum of its proper divisors (15093040).

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

10444640 is a wasteful number, since it uses less digits than its factorization.

10444640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 10444640 is about 3231.8168264925. The cubic root of 10444640 is about 218.5904371077.

It can be divided in two parts, 104 and 44640, that added together give a palindrome (44744).

The spelling of 10444640 in words is "ten million, four hundred forty-four thousand, six hundred forty".