120302440 has 64 divisors (see below), whose sum is σ = 282430800. Its totient is φ = 46061568.

The previous prime is 120302437. The next prime is 120302447. The reversal of 120302440 is 44203021.

It can be written as a sum of positive squares in 8 ways, for example, as 65512836 + 54789604 = 8094^2 + 7402^2 .

It is not an unprimeable number, because it can be changed into a prime (120302447) 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, 158542 + ... + 159298.

Almost surely, 2^120302440 is an apocalyptic number.

120302440 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 120302440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141215400).

120302440 is an abundant number, since it is smaller than the sum of its proper divisors (162128360).

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

120302440 is a wasteful number, since it uses less digits than its factorization.

120302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 930 counting only the distinct ones).

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

The square root of 120302440 is about 10968.2468972940. The cubic root of 120302440 is about 493.6564456620.

Adding to 120302440 its reverse (44203021), we get a palindrome (164505461).

The spelling of 120302440 in words is "one hundred twenty million, three hundred two thousand, four hundred forty".