109204368840 has 384 divisors, whose sum is σ = 430350336000. Its totient is φ = 23459756544.

The previous prime is 109204368829. The next prime is 109204368841. The reversal of 109204368840 is 48863402901.

It is a happy number.

109204368840 is a `hidden beast` number, since 1 + 0 + 9 + 204 + 368 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (109204368841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6071781 + ... + 6089739.

It is an arithmetic number, because the mean of its divisors is an integer number (1120704000).

Almost surely, 2^109204368840 is an apocalyptic number.

109204368840 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 109204368840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215175168000).

109204368840 is an abundant number, since it is smaller than the sum of its proper divisors (321145967160).

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

109204368840 is a wasteful number, since it uses less digits than its factorization.

109204368840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18129 (or 18122 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 109204368840 in words is "one hundred nine billion, two hundred four million, three hundred sixty-eight thousand, eight hundred forty".