10317440 has 128 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 3462144.

The previous prime is 10317421. The next prime is 10317443. The reversal of 10317440 is 4471301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10317443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219497 + ... + 219543.

It is an arithmetic number, because the mean of its divisors is an integer number (229500).

Almost surely, 2^10317440 is an apocalyptic number.

10317440 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 10317440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14688000).

10317440 is an abundant number, since it is smaller than the sum of its proper divisors (19058560).

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

10317440 is an frugal number, since it uses more digits than its factorization.

10317440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10317440 is about 3212.0772095328. The cubic root of 10317440 is about 217.6994427256.

Adding to 10317440 its reverse (4471301), we get a palindrome (14788741).

The spelling of 10317440 in words is "ten million, three hundred seventeen thousand, four hundred forty".