10644454 has 4 divisors (see below), whose sum is σ = 15966684. Its totient is φ = 5322226.

The previous prime is 10644451. The next prime is 10644509. The reversal of 10644454 is 45444601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10644454² = 226608801916232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644451) by changing a digit.

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 as a sum of consecutive naturals, namely, 2661112 + ... + 2661115.

It is an arithmetic number, because the mean of its divisors is an integer number (3991671).

Almost surely, 2^10644454 is an apocalyptic number.

10644454 is a deficient number, since it is larger than the sum of its proper divisors (5322230).

10644454 is an equidigital number, since it uses as much as digits as its factorization.

10644454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322229.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 10644454 is about 3262.5839452802. The cubic root of 10644454 is about 219.9755758009.

The spelling of 10644454 in words is "ten million, six hundred forty-four thousand, four hundred fifty-four".