40217246 has 4 divisors (see below), whose sum is σ = 60325872. Its totient is φ = 20108622.

The previous prime is 40217237. The next prime is 40217249. The reversal of 40217246 is 64271204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40217249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10054310 + ... + 10054313.

It is an arithmetic number, because the mean of its divisors is an integer number (15081468).

Almost surely, 2^40217246 is an apocalyptic number.

40217246 is a deficient number, since it is larger than the sum of its proper divisors (20108626).

40217246 is a wasteful number, since it uses less digits than its factorization.

40217246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108625.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40217246 is about 6341.7068680285. The cubic root of 40217246 is about 342.6132142110.

The spelling of 40217246 in words is "forty million, two hundred seventeen thousand, two hundred forty-six".