240105720140 has 96 divisors (see below), whose sum is σ = 595646775360. Its totient is φ = 80149478400.

The previous prime is 240105720133. The next prime is 240105720187. The reversal of 240105720140 is 41027501042.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285746 + ... + 749574.

It is an arithmetic number, because the mean of its divisors is an integer number (6204653910).

Almost surely, 2^240105720140 is an apocalyptic number.

240105720140 is a gapful number since it is divisible by the number (20) 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 240105720140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297823387680).

240105720140 is an abundant number, since it is smaller than the sum of its proper divisors (355541055220).

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

240105720140 is a wasteful number, since it uses less digits than its factorization.

240105720140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464043 (or 464041 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The spelling of 240105720140 in words is "two hundred forty billion, one hundred five million, seven hundred twenty thousand, one hundred forty".