109618471840 has 48 divisors (see below), whose sum is σ = 262093835808. Its totient is φ = 43319101696.

The previous prime is 109618471829. The next prime is 109618471849. The reversal of 109618471840 is 48174816901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109618471849) 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, 4113922 + ... + 4140481.

It is an arithmetic number, because the mean of its divisors is an integer number (5460288246).

Almost surely, 2^109618471840 is an apocalyptic number.

109618471840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109618471840 is an abundant number, since it is smaller than the sum of its proper divisors (152475363968).

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

109618471840 is an equidigital number, since it uses as much as digits as its factorization.

109618471840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254501 (or 8254493 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 109618471840 in words is "one hundred nine billion, six hundred eighteen million, four hundred seventy-one thousand, eight hundred forty".