40120841 has 8 divisors (see below), whose sum is σ = 41019264. Its totient is φ = 39227760.

The previous prime is 40120819. The next prime is 40120853. The reversal of 40120841 is 14802104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40120841 - 2⁶ = 40120777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40120741) 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, 16400 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (5127408).

Almost surely, 2^40120841 is an apocalyptic number.

It is an amenable number.

40120841 is a deficient number, since it is larger than the sum of its proper divisors (898423).

40120841 is a wasteful number, since it uses less digits than its factorization.

40120841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 40120841 is about 6334.1014358787. The cubic root of 40120841 is about 342.3392351162.

Adding to 40120841 its reverse (14802104), we get a palindrome (54922945).

The spelling of 40120841 in words is "forty million, one hundred twenty thousand, eight hundred forty-one".