40120411 has 4 divisors (see below), whose sum is σ = 40142232. Its totient is φ = 40098592.

The previous prime is 40120397. The next prime is 40120463. The reversal of 40120411 is 11402104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40120411 - 2²¹ = 38023259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40120391 and 40120400.

It is not an unprimeable number, because it can be changed into a prime (40120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7870 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (10035558).

Almost surely, 2^40120411 is an apocalyptic number.

40120411 is a deficient number, since it is larger than the sum of its proper divisors (21821).

40120411 is a wasteful number, since it uses less digits than its factorization.

40120411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40120411 is about 6334.0674925359. The cubic root of 40120411 is about 342.3380120910.

Adding to 40120411 its reverse (11402104), we get a palindrome (51522515).

The spelling of 40120411 in words is "forty million, one hundred twenty thousand, four hundred eleven".