109885715940 has 768 divisors, whose sum is σ = 425869000704. Its totient is φ = 20437401600.

The previous prime is 109885715939. The next prime is 109885715957. The reversal of 109885715940 is 49517588901.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 311290804 + ... + 311291156.

It is an arithmetic number, because the mean of its divisors is an integer number (554516928).

Almost surely, 2^109885715940 is an apocalyptic number.

109885715940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109885715940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212934500352).

109885715940 is an abundant number, since it is smaller than the sum of its proper divisors (315983284764).

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

109885715940 is a wasteful number, since it uses less digits than its factorization.

109885715940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 109885715940 in words is "one hundred nine billion, eight hundred eighty-five million, seven hundred fifteen thousand, nine hundred forty".