109349680 has 80 divisors (see below), whose sum is σ = 278937504. Its totient is φ = 39536640.

The previous prime is 109349671. The next prime is 109349687. The reversal of 109349680 is 86943901.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×109349680² = 23914705032204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (109349687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275242 + ... + 275638.

Almost surely, 2^109349680 is an apocalyptic number.

109349680 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 109349680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139468752).

109349680 is an abundant number, since it is smaller than the sum of its proper divisors (169587824).

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

109349680 is a wasteful number, since it uses less digits than its factorization.

109349680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 109349680 is about 10457.0397340739. The cubic root of 109349680 is about 478.1958896698.

The spelling of 109349680 in words is "one hundred nine million, three hundred forty-nine thousand, six hundred eighty".