40142611 has 8 divisors (see below), whose sum is σ = 42315920. Its totient is φ = 37975392.

The previous prime is 40142603. The next prime is 40142617. The reversal of 40142611 is 11624104.

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 40142611 - 2³ = 40142603 is a prime.

It is a super-2 number, since 2×40142611² = 3222858435794642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40142617) 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 7 ways as a sum of consecutive naturals, for example, 19801 + ... + 21733.

It is an arithmetic number, because the mean of its divisors is an integer number (5289490).

Almost surely, 2^40142611 is an apocalyptic number.

40142611 is a deficient number, since it is larger than the sum of its proper divisors (2173309).

40142611 is a wasteful number, since it uses less digits than its factorization.

40142611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 40142611 is about 6335.8196786209. The cubic root of 40142611 is about 342.4011429044.

Adding to 40142611 its reverse (11624104), we get a palindrome (51766715).

The spelling of 40142611 in words is "forty million, one hundred forty-two thousand, six hundred eleven".