10443640 has 32 divisors (see below), whose sum is σ = 23662080. Its totient is φ = 4148352.

The previous prime is 10443623. The next prime is 10443677. The reversal of 10443640 is 4634401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5449 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (739440).

Almost surely, 2^10443640 is an apocalyptic number.

10443640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10443640 is an abundant number, since it is smaller than the sum of its proper divisors (13218440).

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

10443640 is a wasteful number, since it uses less digits than its factorization.

10443640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 10443640 is about 3231.6621110506. The cubic root of 10443640 is about 218.5834607251.

The spelling of 10443640 in words is "ten million, four hundred forty-three thousand, six hundred forty".