109800040 has 32 divisors (see below), whose sum is σ = 282343680. Its totient is φ = 37645632.

The previous prime is 109800013. The next prime is 109800043. The reversal of 109800040 is 40008901.

It is a junction number, because it is equal to n+sod(n) for n = 109799984 and 109800020.

It is not an unprimeable number, because it can be changed into a prime (109800043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195792 + ... + 196351.

It is an arithmetic number, because the mean of its divisors is an integer number (8823240).

Almost surely, 2^109800040 is an apocalyptic number.

109800040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109800040 is an abundant number, since it is smaller than the sum of its proper divisors (172543640).

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

109800040 is a wasteful number, since it uses less digits than its factorization.

109800040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392161 (or 392157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 109800040 is about 10478.5514266047. The cubic root of 109800040 is about 478.8514786010.

Adding to 109800040 its reverse (40008901), we get a palindrome (149808941).

The spelling of 109800040 in words is "one hundred nine million, eight hundred thousand, forty".