1350312240 has 160 divisors (see below), whose sum is σ = 4271155200. Its totient is φ = 352834560.

The previous prime is 1350312211. The next prime is 1350312241. The reversal of 1350312240 is 422130531.

It is not an unprimeable number, because it can be changed into a prime (1350312241) 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 31 ways as a sum of consecutive naturals, for example, 4341685 + ... + 4341995.

It is an arithmetic number, because the mean of its divisors is an integer number (26694720).

Almost surely, 2^1350312240 is an apocalyptic number.

1350312240 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 1350312240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135577600).

1350312240 is an abundant number, since it is smaller than the sum of its proper divisors (2920842960).

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

1350312240 is a wasteful number, since it uses less digits than its factorization.

1350312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1350312240 is about 36746.5949442938. The cubic root of 1350312240 is about 1105.2946505790.

Adding to 1350312240 its reverse (422130531), we get a palindrome (1772442771).

The spelling of 1350312240 in words is "one billion, three hundred fifty million, three hundred twelve thousand, two hundred forty".