120230440 has 48 divisors (see below), whose sum is σ = 297358740. Its totient is φ = 43718400.

The previous prime is 120230417. The next prime is 120230449. The reversal of 120230440 is 44032021.

It can be written as a sum of positive squares in 2 ways, for example, as 107371044 + 12859396 = 10362^2 + 3586^2 .

It is not an unprimeable number, because it can be changed into a prime (120230449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7581 + ... + 17260.

Almost surely, 2^120230440 is an apocalyptic number.

120230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120230440 is an abundant number, since it is smaller than the sum of its proper divisors (177128300).

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

120230440 is a wasteful number, since it uses less digits than its factorization.

120230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24874 (or 24859 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 120230440 is about 10964.9642042279. The cubic root of 120230440 is about 493.5579429294.

Adding to 120230440 its reverse (44032021), we get a palindrome (164262461).

The spelling of 120230440 in words is "one hundred twenty million, two hundred thirty thousand, four hundred forty".