40014218 has 8 divisors (see below), whose sum is σ = 60390048. Its totient is φ = 19884204.

The previous prime is 40014203. The next prime is 40014239. The reversal of 40014218 is 81241004.

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

It is a super-2 number, since 2×40014218² = 3202275284303048, 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 40014218.

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, 61046 + ... + 61697.

It is an arithmetic number, because the mean of its divisors is an integer number (7548756).

Almost surely, 2^40014218 is an apocalyptic number.

40014218 is a deficient number, since it is larger than the sum of its proper divisors (20375830).

40014218 is a wasteful number, since it uses less digits than its factorization.

40014218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122908.

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

The square root of 40014218 is about 6325.6792520646. The cubic root of 40014218 is about 342.0357052653.

The spelling of 40014218 in words is "forty million, fourteen thousand, two hundred eighteen".