41221140 has 24 divisors (see below), whose sum is σ = 115419360. Its totient is φ = 10992288.

The previous prime is 41221139. The next prime is 41221183. The reversal of 41221140 is 4112214.

41221140 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 (15).

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 in 7 ways as a sum of consecutive naturals, for example, 343450 + ... + 343569.

It is an arithmetic number, because the mean of its divisors is an integer number (4809140).

Almost surely, 2^41221140 is an apocalyptic number.

It is an amenable number.

41221140 is an abundant number, since it is smaller than the sum of its proper divisors (74198220).

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

41221140 is a wasteful number, since it uses less digits than its factorization.

41221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687031 (or 687029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 41221140 is about 6420.3691482655. The cubic root of 41221140 is about 345.4405629781.

Adding to 41221140 its reverse (4112214), we get a palindrome (45333354).

The spelling of 41221140 in words is "forty-one million, two hundred twenty-one thousand, one hundred forty".