40081214 has 8 divisors (see below), whose sum is σ = 60705840. Its totient is φ = 19845936.

The previous prime is 40081207. The next prime is 40081229. The reversal of 40081214 is 41218004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97079 + ... + 97490.

It is an arithmetic number, because the mean of its divisors is an integer number (7588230).

Almost surely, 2^40081214 is an apocalyptic number.

40081214 is a deficient number, since it is larger than the sum of its proper divisors (20624626).

40081214 is a wasteful number, since it uses less digits than its factorization.

40081214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194674.

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

The square root of 40081214 is about 6330.9725951073. The cubic root of 40081214 is about 342.2264895100.

Adding to 40081214 its reverse (41218004), we get a palindrome (81299218).

The spelling of 40081214 in words is "forty million, eighty-one thousand, two hundred fourteen".