108687040 has 168 divisors, whose sum is σ = 325928736. Its totient is φ = 33792000.

The previous prime is 108687037. The next prime is 108687043. The reversal of 108687040 is 40786801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108687037) and next prime (108687043).

It is a junction number, because it is equal to n+sod(n) for n = 108686987 and 108687005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108687043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270840 + ... + 271240.

It is an arithmetic number, because the mean of its divisors is an integer number (1940052).

Almost surely, 2^108687040 is an apocalyptic number.

108687040 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 108687040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162964368).

108687040 is an abundant number, since it is smaller than the sum of its proper divisors (217241696).

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

108687040 is a wasteful number, since it uses less digits than its factorization.

108687040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 108687040 is about 10425.3076693208. The cubic root of 108687040 is about 477.2280040440.

The spelling of 108687040 in words is "one hundred eight million, six hundred eighty-seven thousand, forty".