109989732240 has 120 divisors (see below), whose sum is σ = 369452603520. Its totient is φ = 29325004032.

The previous prime is 109989732221. The next prime is 109989732283. The reversal of 109989732240 is 42237989901.

109989732240 is a `hidden beast` number, since 109 + 98 + 97 + 322 + 40 = 666.

109989732240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930231 + ... + 4952489.

It is an arithmetic number, because the mean of its divisors is an integer number (3078771696).

Almost surely, 2^109989732240 is an apocalyptic number.

109989732240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109989732240 is an abundant number, since it is smaller than the sum of its proper divisors (259462871280).

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

109989732240 is a wasteful number, since it uses less digits than its factorization.

109989732240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29141 (or 29132 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 109989732240 in words is "one hundred nine billion, nine hundred eighty-nine million, seven hundred thirty-two thousand, two hundred forty".