40223630 has 32 divisors (see below), whose sum is σ = 74063808. Its totient is φ = 15724800.

The previous prime is 40223629. The next prime is 40223641. The reversal of 40223630 is 3632204.

40223630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 128354 + ... + 128666.

It is an arithmetic number, because the mean of its divisors is an integer number (2314494).

Almost surely, 2^40223630 is an apocalyptic number.

40223630 is a deficient number, since it is larger than the sum of its proper divisors (33840178).

40223630 is a wasteful number, since it uses less digits than its factorization.

40223630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40223630 is about 6342.2101825783. The cubic root of 40223630 is about 342.6313418159.

Adding to 40223630 its reverse (3632204), we get a palindrome (43855834).

The spelling of 40223630 in words is "forty million, two hundred twenty-three thousand, six hundred thirty".