120440332240 has 40 divisors (see below), whose sum is σ = 283170123720. Its totient is φ = 47634825216.

The previous prime is 120440332183. The next prime is 120440332241. The reversal of 120440332240 is 42233044021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4701570624 + 115738761616 = 68568^2 + 340204^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120440332241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8450769 + ... + 8465008.

It is an arithmetic number, because the mean of its divisors is an integer number (7079253093).

Almost surely, 2^120440332240 is an apocalyptic number.

120440332240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120440332240 is an abundant number, since it is smaller than the sum of its proper divisors (162729791480).

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

120440332240 is a wasteful number, since it uses less digits than its factorization.

120440332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16915879 (or 16915873 counting only the distinct ones).

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

Adding to 120440332240 its reverse (42233044021), we get a palindrome (162673376261).

The spelling of 120440332240 in words is "one hundred twenty billion, four hundred forty million, three hundred thirty-two thousand, two hundred forty".