40042214 has 32 divisors (see below), whose sum is σ = 65335680. Its totient is φ = 18361728.

The previous prime is 40042213. The next prime is 40042229. The reversal of 40042214 is 41224004.

It is a junction number, because it is equal to n+sod(n) for n = 40042192 and 40042201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100664 + ... + 101060.

It is an arithmetic number, because the mean of its divisors is an integer number (2041740).

Almost surely, 2^40042214 is an apocalyptic number.

40042214 is a deficient number, since it is larger than the sum of its proper divisors (25293466).

40042214 is a wasteful number, since it uses less digits than its factorization.

40042214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40042214 is about 6327.8917500223. The cubic root of 40042214 is about 342.1154552454.

Adding to 40042214 its reverse (41224004), we get a palindrome (81266218).

The spelling of 40042214 in words is "forty million, forty-two thousand, two hundred fourteen".