41318640 has 320 divisors, whose sum is σ = 162846720. Its totient is φ = 9538560.

The previous prime is 41318623. The next prime is 41318647. The reversal of 41318640 is 4681314.

41318640 is a `hidden beast` number, since 4 + 1 + 3 + 18 + 640 = 666.

It is a super-2 number, since 2×41318640² = 3414460022899200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41318647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 879097 + ... + 879143.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

Almost surely, 2^41318640 is an apocalyptic number.

41318640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41318640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81423360).

41318640 is an abundant number, since it is smaller than the sum of its proper divisors (121528080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41318640 is a wasteful number, since it uses less digits than its factorization.

41318640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 41318640 is about 6427.9576849883. The cubic root of 41318640 is about 345.7127043683.

Adding to 41318640 its reverse (4681314), we get a palindrome (45999954).

The spelling of 41318640 in words is "forty-one million, three hundred eighteen thousand, six hundred forty".