10440280 has 32 divisors (see below), whose sum is σ = 23621040. Its totient is φ = 4152960.

The previous prime is 10440277. The next prime is 10440299. The reversal of 10440280 is 8204401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822 + ... + 9058.

Almost surely, 2^10440280 is an apocalyptic number.

10440280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440280 is an abundant number, since it is smaller than the sum of its proper divisors (13180760).

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

10440280 is a wasteful number, since it uses less digits than its factorization.

10440280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 10440280 is about 3231.1422129024. The cubic root of 10440280 is about 218.5600168171.

Adding to 10440280 its reverse (8204401), we get a palindrome (18644681).

The spelling of 10440280 in words is "ten million, four hundred forty thousand, two hundred eighty".