40044210 has 64 divisors (see below), whose sum is σ = 102021120. Its totient is φ = 10031040.

The previous prime is 40044209. The next prime is 40044227. The reversal of 40044210 is 1244004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40044210.

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 31 ways as a sum of consecutive naturals, for example, 92695 + ... + 93125.

It is an arithmetic number, because the mean of its divisors is an integer number (1594080).

Almost surely, 2^40044210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40044210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51010560).

40044210 is an abundant number, since it is smaller than the sum of its proper divisors (61976910).

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

40044210 is a wasteful number, since it uses less digits than its factorization.

40044210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40044210 is about 6328.0494625121. The cubic root of 40044210 is about 342.1211396722.

Adding to 40044210 its reverse (1244004), we get a palindrome (41288214).

The spelling of 40044210 in words is "forty million, forty-four thousand, two hundred ten".