11440454 has 8 divisors (see below), whose sum is σ = 17451720. Its totient is φ = 5623216.

The previous prime is 11440447. The next prime is 11440469. The reversal of 11440454 is 45404411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11440454² = 261767975452232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48359 + ... + 48594.

It is an arithmetic number, because the mean of its divisors is an integer number (2181465).

Almost surely, 2^11440454 is an apocalyptic number.

11440454 is a deficient number, since it is larger than the sum of its proper divisors (6011266).

11440454 is an equidigital number, since it uses as much as digits as its factorization.

11440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97014.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 11440454 is about 3382.3740183487. The cubic root of 11440454 is about 225.3276149205.

Adding to 11440454 its reverse (45404411), we get a palindrome (56844865).

The spelling of 11440454 in words is "eleven million, four hundred forty thousand, four hundred fifty-four".