108168040 has 32 divisors (see below), whose sum is σ = 245025000. Its totient is φ = 42974464.

The previous prime is 108168037. The next prime is 108168041. The reversal of 108168040 is 40861801.

It can be written as a sum of positive squares in 4 ways, for example, as 53319204 + 54848836 = 7302^2 + 7406^2 .

It is not an unprimeable number, because it can be changed into a prime (108168041) 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, 3115 + ... + 15034.

Almost surely, 2^108168040 is an apocalyptic number.

108168040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108168040 is an abundant number, since it is smaller than the sum of its proper divisors (136856960).

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

108168040 is a wasteful number, since it uses less digits than its factorization.

108168040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309 (or 18305 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 108168040 is about 10400.3865312785. The cubic root of 108168040 is about 476.4671754480.

The spelling of 108168040 in words is "one hundred eight million, one hundred sixty-eight thousand, forty".