10440220 has 24 divisors (see below), whose sum is σ = 25056864. Its totient is φ = 3579456.

The previous prime is 10440217. The next prime is 10440233. The reversal of 10440220 is 2204401.

It is a self number, because there is not a number n which added to its sum of digits gives 10440220.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 37147 + ... + 37426.

It is an arithmetic number, because the mean of its divisors is an integer number (1044036).

Almost surely, 2^10440220 is an apocalyptic number.

10440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440220 is an abundant number, since it is smaller than the sum of its proper divisors (14616644).

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

10440220 is a wasteful number, since it uses less digits than its factorization.

10440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74589 (or 74587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 10440220 is about 3231.1329282467. The cubic root of 10440220 is about 218.5595981302.

Adding to 10440220 its reverse (2204401), we get a palindrome (12644621).

The spelling of 10440220 in words is "ten million, four hundred forty thousand, two hundred twenty".