40044630 has 32 divisors (see below), whose sum is σ = 96310368. Its totient is φ = 10656000.

The previous prime is 40044629. The next prime is 40044677. The reversal of 40044630 is 3644004.

It is a junction number, because it is equal to n+sod(n) for n = 40044597 and 40044606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16920 + ... + 19140.

It is an arithmetic number, because the mean of its divisors is an integer number (3009699).

Almost surely, 2^40044630 is an apocalyptic number.

40044630 is an abundant number, since it is smaller than the sum of its proper divisors (56265738).

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

40044630 is a wasteful number, since it uses less digits than its factorization.

40044630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40044630 is about 6328.0826480064. The cubic root of 40044630 is about 342.1223357700.

Adding to 40044630 its reverse (3644004), we get a palindrome (43688634).

The spelling of 40044630 in words is "forty million, forty-four thousand, six hundred thirty".