120304442540 has 48 divisors (see below), whose sum is σ = 259512779232. Its totient is φ = 46813003776.

The previous prime is 120304442449. The next prime is 120304442543. The reversal of 120304442540 is 45244403021.

It is not an unprimeable number, because it can be changed into a prime (120304442543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5863139 + ... + 5883621.

It is an arithmetic number, because the mean of its divisors is an integer number (5406516234).

Almost surely, 2^120304442540 is an apocalyptic number.

120304442540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120304442540 is an abundant number, since it is smaller than the sum of its proper divisors (139208336692).

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

120304442540 is a wasteful number, since it uses less digits than its factorization.

120304442540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28466 (or 28464 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 120304442540 its reverse (45244403021), we get a palindrome (165548845561).

The spelling of 120304442540 in words is "one hundred twenty billion, three hundred four million, four hundred forty-two thousand, five hundred forty".