40220608 has 14 divisors (see below), whose sum is σ = 79812896. Its totient is φ = 20110272.

The previous prime is 40220599. The next prime is 40220639. The reversal of 40220608 is 80602204.

40220608 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 as a sum of consecutive naturals, namely, 314160 + ... + 314287.

Almost surely, 2^40220608 is an apocalyptic number.

It is an amenable number.

40220608 is a deficient number, since it is larger than the sum of its proper divisors (39592288).

40220608 is an equidigital number, since it uses as much as digits as its factorization.

40220608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628459 (or 628449 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40220608 is about 6341.9719330820. The cubic root of 40220608 is about 342.6227609738.

The spelling of 40220608 in words is "forty million, two hundred twenty thousand, six hundred eight".