108493440 has 192 divisors, whose sum is σ = 380933280. Its totient is φ = 26245120.

The previous prime is 108493423. The next prime is 108493453. The reversal of 108493440 is 44394801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232087 + ... + 232553.

Almost surely, 2^108493440 is an apocalyptic number.

108493440 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 108493440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190466640).

108493440 is an abundant number, since it is smaller than the sum of its proper divisors (272439840).

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

108493440 is a wasteful number, since it uses less digits than its factorization.

108493440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 108493440 is about 10416.0184331634. The cubic root of 108493440 is about 476.9444797354.

The spelling of 108493440 in words is "one hundred eight million, four hundred ninety-three thousand, four hundred forty".