40142411 has 4 divisors (see below), whose sum is σ = 40510800. Its totient is φ = 39774024.

The previous prime is 40142407. The next prime is 40142413. The reversal of 40142411 is 11424104.

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 40142411 - 2² = 40142407 is a prime.

It is a super-2 number, since 2×40142411² = 3222826321785842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40142411.

It is not an unprimeable number, because it can be changed into a prime (40142413) 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, 184031 + ... + 184248.

It is an arithmetic number, because the mean of its divisors is an integer number (10127700).

Almost surely, 2^40142411 is an apocalyptic number.

40142411 is a deficient number, since it is larger than the sum of its proper divisors (368389).

40142411 is a wasteful number, since it uses less digits than its factorization.

40142411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368388.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40142411 is about 6335.8038953238. The cubic root of 40142411 is about 342.4005742623.

Adding to 40142411 its reverse (11424104), we get a palindrome (51566515).

The spelling of 40142411 in words is "forty million, one hundred forty-two thousand, four hundred eleven".