40603220 has 24 divisors (see below), whose sum is σ = 97448064. Its totient is φ = 13921056.

The previous prime is 40603207. The next prime is 40603229. The reversal of 40603220 is 2230604.

40603220 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 not an unprimeable number, because it can be changed into a prime (40603229) by changing a digit.

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, 144872 + ... + 145151.

It is an arithmetic number, because the mean of its divisors is an integer number (4060336).

Almost surely, 2^40603220 is an apocalyptic number.

It is an amenable number.

40603220 is an abundant number, since it is smaller than the sum of its proper divisors (56844844).

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

40603220 is a wasteful number, since it uses less digits than its factorization.

40603220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290039 (or 290037 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40603220 is about 6372.0655991601. The cubic root of 40603220 is about 343.7057719406.

Adding to 40603220 its reverse (2230604), we get a palindrome (42833824).

The spelling of 40603220 in words is "forty million, six hundred three thousand, two hundred twenty".