40216070 has 8 divisors (see below), whose sum is σ = 72388944. Its totient is φ = 16086424.

The previous prime is 40216049. The next prime is 40216081. The reversal of 40216070 is 7061204.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010794 + ... + 2010813.

It is an arithmetic number, because the mean of its divisors is an integer number (9048618).

Almost surely, 2^40216070 is an apocalyptic number.

40216070 is a deficient number, since it is larger than the sum of its proper divisors (32172874).

40216070 is a wasteful number, since it uses less digits than its factorization.

40216070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021614.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40216070 is about 6341.6141478333. The cubic root of 40216070 is about 342.6098747061.

Adding to 40216070 its reverse (7061204), we get a palindrome (47277274).

The spelling of 40216070 in words is "forty million, two hundred sixteen thousand, seventy".