40616231 has 8 divisors (see below), whose sum is σ = 42000000. Its totient is φ = 39237120.

The previous prime is 40616227. The next prime is 40616239. The reversal of 40616231 is 13261604.

It is a happy number.

40616231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40616231 - 2² = 40616227 is a prime.

It is a super-2 number, since 2×40616231² = 3299356441290722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40616197 and 40616206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40616239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31895 + ... + 33143.

It is an arithmetic number, because the mean of its divisors is an integer number (5250000).

Almost surely, 2^40616231 is an apocalyptic number.

40616231 is a deficient number, since it is larger than the sum of its proper divisors (1383769).

40616231 is a wasteful number, since it uses less digits than its factorization.

40616231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40616231 is about 6373.0864579103. The cubic root of 40616231 is about 343.7424806730.

Adding to 40616231 its reverse (13261604), we get a palindrome (53877835).

The spelling of 40616231 in words is "forty million, six hundred sixteen thousand, two hundred thirty-one".