40418055 has 16 divisors (see below), whose sum is σ = 71854560. Its totient is φ = 21556224.

The previous prime is 40418041. The next prime is 40418071. The reversal of 40418055 is 55081404.

40418055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40418055 - 2⁸ = 40417799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 149562 + ... + 149831.

It is an arithmetic number, because the mean of its divisors is an integer number (4490910).

Almost surely, 2^40418055 is an apocalyptic number.

40418055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40418055 is a deficient number, since it is larger than the sum of its proper divisors (31436505).

40418055 is a wasteful number, since it uses less digits than its factorization.

40418055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299407 (or 299401 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 40418055 is about 6357.5195634776. The cubic root of 40418055 is about 343.1825025311.

Adding to 40418055 its reverse (55081404), we get a palindrome (95499459).

The spelling of 40418055 in words is "forty million, four hundred eighteen thousand, fifty-five".