10453440 has 56 divisors (see below), whose sum is σ = 33192720. Its totient is φ = 2787328.

The previous prime is 10453433. The next prime is 10453447. The reversal of 10453440 is 4435401.

It is an interprime number because it is at equal distance from previous prime (10453433) and next prime (10453447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10453447) 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, 4485 + ... + 6404.

Almost surely, 2^10453440 is an apocalyptic number.

10453440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10453440 is an abundant number, since it is smaller than the sum of its proper divisors (22739280).

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

10453440 is a wasteful number, since it uses less digits than its factorization.

10453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909 (or 10899 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 10453440 is about 3233.1780031418. The cubic root of 10453440 is about 218.6518100819.

Adding to 10453440 its reverse (4435401), we get a palindrome (14888841).

The spelling of 10453440 in words is "ten million, four hundred fifty-three thousand, four hundred forty".