10440489 has 4 divisors (see below), whose sum is σ = 13920656. Its totient is φ = 6960324.

The previous prime is 10440473. The next prime is 10440509. The reversal of 10440489 is 98404401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10440489 - 2⁴ = 10440473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740079 + ... + 1740084.

It is an arithmetic number, because the mean of its divisors is an integer number (3480164).

Almost surely, 2^10440489 is an apocalyptic number.

It is an amenable number.

10440489 is a deficient number, since it is larger than the sum of its proper divisors (3480167).

10440489 is an equidigital number, since it uses as much as digits as its factorization.

10440489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480166.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 10440489 is about 3231.1745542449. The cubic root of 10440489 is about 218.5614752307.

The spelling of 10440489 in words is "ten million, four hundred forty thousand, four hundred eighty-nine".