40156214 has 16 divisors (see below), whose sum is σ = 69070848. Its totient is φ = 17151912.

The previous prime is 40156201. The next prime is 40156219. The reversal of 40156214 is 41265104.

40156214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40156214² = 3225043045627592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40156214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (4316928).

Almost surely, 2^40156214 is an apocalyptic number.

40156214 is a deficient number, since it is larger than the sum of its proper divisors (28914634).

40156214 is a wasteful number, since it uses less digits than its factorization.

40156214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40156214 is about 6336.8930873102. The cubic root of 40156214 is about 342.4398146684.

The spelling of 40156214 in words is "forty million, one hundred fifty-six thousand, two hundred fourteen".