40618055 has 8 divisors (see below), whose sum is σ = 48781392. Its totient is φ = 32467968.

The previous prime is 40618037. The next prime is 40618057. The reversal of 40618055 is 55081604.

It is a happy number.

40618055 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 40618055 - 2⁸ = 40617799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40618057) 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, 5639 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (6097674).

Almost surely, 2^40618055 is an apocalyptic number.

40618055 is a deficient number, since it is larger than the sum of its proper divisors (8163337).

40618055 is a wasteful number, since it uses less digits than its factorization.

40618055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 40618055 is about 6373.2295580812. The cubic root of 40618055 is about 343.7476262095.

Adding to 40618055 its reverse (55081604), we get a palindrome (95699659).

The spelling of 40618055 in words is "forty million, six hundred eighteen thousand, fifty-five".