109801380 has 192 divisors, whose sum is σ = 361267200. Its totient is φ = 24675840.

The previous prime is 109801357. The next prime is 109801421. The reversal of 109801380 is 83108901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459301 + ... + 459539.

It is an arithmetic number, because the mean of its divisors is an integer number (1881600).

Almost surely, 2^109801380 is an apocalyptic number.

109801380 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 109801380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180633600).

109801380 is an abundant number, since it is smaller than the sum of its proper divisors (251465820).

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

109801380 is a wasteful number, since it uses less digits than its factorization.

109801380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 109801380 is about 10478.6153665453. The cubic root of 109801380 is about 478.8534265613.

The spelling of 109801380 in words is "one hundred nine million, eight hundred one thousand, three hundred eighty".