120453303040 has 144 divisors (see below), whose sum is σ = 337784408640. Its totient is φ = 40290877440.

The previous prime is 120453303029. The next prime is 120453303041. The reversal of 120453303040 is 40303354021.

It is a junction number, because it is equal to n+sod(n) for n = 120453302996 and 120453303014.

It is not an unprimeable number, because it can be changed into a prime (120453303041) 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, 203416 + ... + 531304.

It is an arithmetic number, because the mean of its divisors is an integer number (2345725060).

Almost surely, 2^120453303040 is an apocalyptic number.

120453303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120453303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168892204320).

120453303040 is an abundant number, since it is smaller than the sum of its proper divisors (217331105600).

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

120453303040 is an equidigital number, since it uses as much as digits as its factorization.

120453303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327958 (or 327944 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 120453303040 its reverse (40303354021), we get a palindrome (160756657061).

The spelling of 120453303040 in words is "one hundred twenty billion, four hundred fifty-three million, three hundred three thousand, forty".