40001214 has 16 divisors (see below), whose sum is σ = 87275520. Its totient is φ = 12121560.

The previous prime is 40001197. The next prime is 40001231. The reversal of 40001214 is 41210004.

It is an interprime number because it is at equal distance from previous prime (40001197) and next prime (40001231).

It is a self number, because there is not a number n which added to its sum of digits gives 40001214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302974 + ... + 303105.

It is an arithmetic number, because the mean of its divisors is an integer number (5454720).

Almost surely, 2^40001214 is an apocalyptic number.

40001214 is an abundant number, since it is smaller than the sum of its proper divisors (47274306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40001214 is a wasteful number, since it uses less digits than its factorization.

40001214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606095.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40001214 is about 6324.6512947355. The cubic root of 40001214 is about 341.9986491517.

Adding to 40001214 its reverse (41210004), we get a palindrome (81211218).

The spelling of 40001214 in words is "forty million, one thousand, two hundred fourteen".