10442440 has 16 divisors (see below), whose sum is σ = 23495580. Its totient is φ = 4176960.

The previous prime is 10442401. The next prime is 10442461. The reversal of 10442440 is 4424401.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 695556 = 3122^2 + 834^2 .

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 3 ways as a sum of consecutive naturals, for example, 130491 + ... + 130570.

Almost surely, 2^10442440 is an apocalyptic number.

10442440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442440 is an abundant number, since it is smaller than the sum of its proper divisors (13053140).

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

10442440 is a wasteful number, since it uses less digits than its factorization.

10442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261072 (or 261068 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 10442440 is about 3231.4764427425. The cubic root of 10442440 is about 218.5750884781.

Adding to 10442440 its reverse (4424401), we get a palindrome (14866841).

The spelling of 10442440 in words is "ten million, four hundred forty-two thousand, four hundred forty".