109533533040 has 480 divisors, whose sum is σ = 391437446400. Its totient is φ = 28494685440.

The previous prime is 109533533023. The next prime is 109533533059. The reversal of 109533533040 is 40335335901.

109533533040 is a `hidden beast` number, since 1 + 0 + 9 + 533 + 53 + 30 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 109533532986 and 109533533004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 836133775 + ... + 836133905.

It is an arithmetic number, because the mean of its divisors is an integer number (815494680).

Almost surely, 2^109533533040 is an apocalyptic number.

109533533040 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 109533533040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195718723200).

109533533040 is an abundant number, since it is smaller than the sum of its proper divisors (281903913360).

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

109533533040 is an frugal number, since it uses more digits than its factorization.

109533533040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 36.

Adding to 109533533040 its reverse (40335335901), we get a palindrome (149868868941).

The spelling of 109533533040 in words is "one hundred nine billion, five hundred thirty-three million, five hundred thirty-three thousand, forty".