120440243320 has 32 divisors (see below), whose sum is σ = 271619334720. Its totient is φ = 48064312960.

The previous prime is 120440243279. The next prime is 120440243347. The reversal of 120440243320 is 23342044021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475807 + ... + 3510286.

It is an arithmetic number, because the mean of its divisors is an integer number (8488104210).

Almost surely, 2^120440243320 is an apocalyptic number.

120440243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120440243320 is an abundant number, since it is smaller than the sum of its proper divisors (151179091400).

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

120440243320 is a wasteful number, since it uses less digits than its factorization.

120440243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986535 (or 6986531 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 120440243320 its reverse (23342044021), we get a palindrome (143782287341).

The spelling of 120440243320 in words is "one hundred twenty billion, four hundred forty million, two hundred forty-three thousand, three hundred twenty".