2133442440 has 48 divisors (see below), whose sum is σ = 6933689100. Its totient is φ = 568917888.

The previous prime is 2133442433. The next prime is 2133442453. The reversal of 2133442440 is 442443312.

It is a happy number.

2133442440 is a `hidden beast` number, since 213 + 3 + 4 + 4 + 2 + 440 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1966567716 + 166874724 = 44346^2 + 12918^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962755 + ... + 2963474.

Almost surely, 2^2133442440 is an apocalyptic number.

2133442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133442440 is an abundant number, since it is smaller than the sum of its proper divisors (4800246660).

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

2133442440 is a wasteful number, since it uses less digits than its factorization.

2133442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926246 (or 5926239 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2133442440 is about 46189.2026343820. The cubic root of 2133442440 is about 1287.3411252101.

Adding to 2133442440 its reverse (442443312), we get a palindrome (2575885752).

The spelling of 2133442440 in words is "two billion, one hundred thirty-three million, four hundred forty-two thousand, four hundred forty".