40814220 has 24 divisors (see below), whose sum is σ = 114279984. Its totient is φ = 10883776.

The previous prime is 40814209. The next prime is 40814237. The reversal of 40814220 is 2241804.

40814220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 340059 + ... + 340178.

It is an arithmetic number, because the mean of its divisors is an integer number (4761666).

Almost surely, 2^40814220 is an apocalyptic number.

It is an amenable number.

40814220 is an abundant number, since it is smaller than the sum of its proper divisors (73465764).

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

40814220 is a wasteful number, since it uses less digits than its factorization.

40814220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680249 (or 680247 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 40814220 is about 6388.6007857746. The cubic root of 40814220 is about 344.3001144259.

The spelling of 40814220 in words is "forty million, eight hundred fourteen thousand, two hundred twenty".