40741220 has 48 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 14824320.

The previous prime is 40741193. The next prime is 40741243. The reversal of 40741220 is 2214704.

40741220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40741192 and 40741201.

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, 17357 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (1947456).

Almost surely, 2^40741220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40741220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46738944).

40741220 is an abundant number, since it is smaller than the sum of its proper divisors (52736668).

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

40741220 is a wasteful number, since it uses less digits than its factorization.

40741220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40741220 is about 6382.8849276796. The cubic root of 40741220 is about 344.0947210766.

Adding to 40741220 its reverse (2214704), we get a palindrome (42955924).

The spelling of 40741220 in words is "forty million, seven hundred forty-one thousand, two hundred twenty".