108061440 has 144 divisors (see below), whose sum is σ = 349671168. Its totient is φ = 28438528.

The previous prime is 108061427. The next prime is 108061441. The reversal of 108061440 is 44160801.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 108061440.

It is not an unprimeable number, because it can be changed into a prime (108061441) 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, 410749 + ... + 411011.

It is an arithmetic number, because the mean of its divisors is an integer number (2428272).

Almost surely, 2^108061440 is an apocalyptic number.

108061440 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 108061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174835584).

108061440 is an abundant number, since it is smaller than the sum of its proper divisors (241609728).

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

108061440 is a wasteful number, since it uses less digits than its factorization.

108061440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 108061440 is about 10395.2604584974. The cubic root of 108061440 is about 476.3106039533.

It can be divided in two parts, 10806 and 1440, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 108061440 in words is "one hundred eight million, sixty-one thousand, four hundred forty".