40118208 has 56 divisors (see below), whose sum is σ = 114318288. Its totient is φ = 12343296.

The previous prime is 40118207. The next prime is 40118209. The reversal of 40118208 is 80281104.

It is an interprime number because it is at equal distance from previous prime (40118207) and next prime (40118209).

It is a super-2 number, since 2×40118208² = 3218941226262528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (2041398).

Almost surely, 2^40118208 is an apocalyptic number.

40118208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40118208 is an abundant number, since it is smaller than the sum of its proper divisors (74200080).

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

40118208 is a wasteful number, since it uses less digits than its factorization.

40118208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101 (or 16091 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 40118208 is about 6333.8935892546. The cubic root of 40118208 is about 342.3317460831.

The spelling of 40118208 in words is "forty million, one hundred eighteen thousand, two hundred eight".