41221240 has 32 divisors (see below), whose sum is σ = 93798000. Its totient is φ = 16301824.

The previous prime is 41221223. The next prime is 41221247. The reversal of 41221240 is 4212214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41221247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230 + ... + 9349.

Almost surely, 2^41221240 is an apocalyptic number.

41221240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41221240 is an abundant number, since it is smaller than the sum of its proper divisors (52576760).

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

41221240 is a wasteful number, since it uses less digits than its factorization.

41221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679 (or 11675 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 41221240 is about 6420.3769359750. The cubic root of 41221240 is about 345.4408423172.

Adding to 41221240 its reverse (4212214), we get a palindrome (45433454).

The spelling of 41221240 in words is "forty-one million, two hundred twenty-one thousand, two hundred forty".