40161214 has 8 divisors (see below), whose sum is σ = 60337728. Its totient is φ = 20048640.

The previous prime is 40161211. The next prime is 40161229. The reversal of 40161214 is 41216104.

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

It is a super-2 number, since 2×40161214² = 3225846219907592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40161191 and 40161200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14382 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (7542216).

Almost surely, 2^40161214 is an apocalyptic number.

40161214 is a deficient number, since it is larger than the sum of its proper divisors (20176514).

40161214 is a wasteful number, since it uses less digits than its factorization.

40161214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31970.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 40161214 is about 6337.2875901288. The cubic root of 40161214 is about 342.4540268981.

Adding to 40161214 its reverse (41216104), we get a palindrome (81377318).

The spelling of 40161214 in words is "forty million, one hundred sixty-one thousand, two hundred fourteen".