120320232401440 has 24 divisors (see below), whose sum is σ = 284256549048780. Its totient is φ = 48128092960512.

The previous prime is 120320232401423. The next prime is 120320232401443. The reversal of 120320232401440 is 44104232023021.

It can be written as a sum of positive squares in 2 ways, for example, as 105357168324496 + 14963064076944 = 10264364^2 + 3868212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120320232401399 and 120320232401408.

It is not an unprimeable number, because it can be changed into a prime (120320232401443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376000726095 + ... + 376000726414.

Almost surely, 2^{120320232401440} is an apocalyptic number.

120320232401440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120320232401440 is an abundant number, since it is smaller than the sum of its proper divisors (163936316647340).

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

120320232401440 is an equidigital number, since it uses as much as digits as its factorization.

120320232401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752001452524 (or 752001452516 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 120320232401440 its reverse (44104232023021), we get a palindrome (164424464424461).

The spelling of 120320232401440 in words is "one hundred twenty trillion, three hundred twenty billion, two hundred thirty-two million, four hundred one thousand, four hundred forty".