108999240 has 192 divisors, whose sum is σ = 397872000. Its totient is φ = 23396352.

The previous prime is 108999229. The next prime is 108999269. The reversal of 108999240 is 42999801.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 108999192 and 108999201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242536 + ... + 242984.

It is an arithmetic number, because the mean of its divisors is an integer number (2072250).

Almost surely, 2^108999240 is an apocalyptic number.

108999240 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 108999240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198936000).

108999240 is an abundant number, since it is smaller than the sum of its proper divisors (288872760).

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

108999240 is a wasteful number, since it uses less digits than its factorization.

108999240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 108999240 is about 10440.2701114483. The cubic root of 108999240 is about 477.6845078836.

The spelling of 108999240 in words is "one hundred eight million, nine hundred ninety-nine thousand, two hundred forty".