10445440 has 64 divisors (see below), whose sum is σ = 26316000. Its totient is φ = 3953664.

The previous prime is 10445417. The next prime is 10445441. The reversal of 10445440 is 4454401.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (10445441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11731 + ... + 12589.

Almost surely, 2^10445440 is an apocalyptic number.

10445440 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 10445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13158000).

10445440 is an abundant number, since it is smaller than the sum of its proper divisors (15870560).

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

10445440 is an equidigital number, since it uses as much as digits as its factorization.

10445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 10445440 is about 3231.9405935134. The cubic root of 10445440 is about 218.5960178931.

Adding to 10445440 its reverse (4454401), we get a palindrome (14899841).

The spelling of 10445440 in words is "ten million, four hundred forty-five thousand, four hundred forty".