1350422440 has 16 divisors (see below), whose sum is σ = 3038450580. Its totient is φ = 540168960.

The previous prime is 1350422431. The next prime is 1350422443. The reversal of 1350422440 is 442240531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1344102244 + 6320196 = 36662^2 + 2514^2 .

It is not an unprimeable number, because it can be changed into a prime (1350422443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16880241 + ... + 16880320.

Almost surely, 2^1350422440 is an apocalyptic number.

1350422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350422440 is an abundant number, since it is smaller than the sum of its proper divisors (1688028140).

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

1350422440 is a wasteful number, since it uses less digits than its factorization.

1350422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33760572 (or 33760568 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1350422440 is about 36748.0943723617. The cubic root of 1350422440 is about 1105.3247177376.

Adding to 1350422440 its reverse (442240531), we get a palindrome (1792662971).

The spelling of 1350422440 in words is "one billion, three hundred fifty million, four hundred twenty-two thousand, four hundred forty".