108640980 has 192 divisors, whose sum is σ = 396264960. Its totient is φ = 24192000.

The previous prime is 108640979. The next prime is 108640981. The reversal of 108640980 is 89046801.

It is a happy number.

108640980 is a `hidden beast` number, since 1 + 0 + 8 + 640 + 9 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (108640979) and next prime (108640981).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108640981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154630 + ... + 155330.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^108640980 is an apocalyptic number.

108640980 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 108640980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198132480).

108640980 is an abundant number, since it is smaller than the sum of its proper divisors (287623980).

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

108640980 is a wasteful number, since it uses less digits than its factorization.

108640980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 108640980 is about 10423.0983877156. The cubic root of 108640980 is about 477.1605804037.

The spelling of 108640980 in words is "one hundred eight million, six hundred forty thousand, nine hundred eighty".