1332356240 has 20 divisors (see below), whose sum is σ = 3097728444. Its totient is φ = 532942464.

The previous prime is 1332356237. The next prime is 1332356243. The reversal of 1332356240 is 426532331.

It is an interprime number because it is at equal distance from previous prime (1332356237) and next prime (1332356243).

It can be written as a sum of positive squares in 2 ways, for example, as 641507584 + 690848656 = 25328^2 + 26284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1332356243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327147 + ... + 8327306.

Almost surely, 2^1332356240 is an apocalyptic number.

1332356240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332356240 is an abundant number, since it is smaller than the sum of its proper divisors (1765372204).

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

1332356240 is a wasteful number, since it uses less digits than its factorization.

1332356240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16654466 (or 16654460 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 1332356240 is about 36501.4553134529. The cubic root of 1332356240 is about 1100.3734930049.

Adding to 1332356240 its reverse (426532331), we get a palindrome (1758888571).

The spelling of 1332356240 in words is "one billion, three hundred thirty-two million, three hundred fifty-six thousand, two hundred forty".