108418440 has 64 divisors (see below), whose sum is σ = 350280000. Its totient is φ = 26687232.

The previous prime is 108418421. The next prime is 108418451. The reversal of 108418440 is 44814801.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 108418398 and 108418407.

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, 33190 + ... + 36309.

It is an arithmetic number, because the mean of its divisors is an integer number (5473125).

Almost surely, 2^108418440 is an apocalyptic number.

108418440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108418440 is an abundant number, since it is smaller than the sum of its proper divisors (241861560).

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

108418440 is a wasteful number, since it uses less digits than its factorization.

108418440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69526 (or 69522 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 108418440 is about 10412.4175867087. The cubic root of 108418440 is about 476.8345527150.

The spelling of 108418440 in words is "one hundred eight million, four hundred eighteen thousand, four hundred forty".