10447440 has 80 divisors (see below), whose sum is σ = 32783616. Its totient is φ = 2752000.

The previous prime is 10447439. The next prime is 10447441. The reversal of 10447440 is 4474401.

10447440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10447439) and next prime (10447441).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10447440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10447441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24025 + ... + 24455.

Almost surely, 2^10447440 is an apocalyptic number.

10447440 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 10447440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16391808).

10447440 is an abundant number, since it is smaller than the sum of its proper divisors (22336176).

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

10447440 is a wasteful number, since it uses less digits than its factorization.

10447440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 10447440 is about 3232.2499903318. The cubic root of 10447440 is about 218.6099686102.

The spelling of 10447440 in words is "ten million, four hundred forty-seven thousand, four hundred forty".