40341220 has 24 divisors (see below), whose sum is σ = 84881664. Its totient is φ = 16105056.

The previous prime is 40341209. The next prime is 40341239. The reversal of 40341220 is 2214304.

It is a junction number, because it is equal to n+sod(n) for n = 40341194 and 40341203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10479 + ... + 13801.

It is an arithmetic number, because the mean of its divisors is an integer number (3536736).

Almost surely, 2^40341220 is an apocalyptic number.

It is an amenable number.

40341220 is an abundant number, since it is smaller than the sum of its proper divisors (44540444).

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

40341220 is a wasteful number, since it uses less digits than its factorization.

40341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40341220 is about 6351.4738447072. The cubic root of 40341220 is about 342.9649004874.

Adding to 40341220 its reverse (2214304), we get a palindrome (42555524).

The spelling of 40341220 in words is "forty million, three hundred forty-one thousand, two hundred twenty".