2134440405 has 12 divisors (see below), whose sum is σ = 3699696780. Its totient is φ = 1138368192.

The previous prime is 2134440337. The next prime is 2134440419. The reversal of 2134440405 is 5040444312.

It is a happy number.

2134440405 is a `hidden beast` number, since 213 + 4 + 4 + 40 + 405 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 846635409 + 1287804996 = 29097^2 + 35886^2 .

It is not a de Polignac number, because 2134440405 - 2⁹ = 2134439893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23715960 + ... + 23716049.

It is an arithmetic number, because the mean of its divisors is an integer number (308308065).

Almost surely, 2^2134440405 is an apocalyptic number.

It is an amenable number.

2134440405 is a deficient number, since it is larger than the sum of its proper divisors (1565256375).

2134440405 is a wasteful number, since it uses less digits than its factorization.

2134440405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47432020 (or 47432017 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2134440405 is about 46200.0043831167. The cubic root of 2134440405 is about 1287.5418213706.

Adding to 2134440405 its reverse (5040444312), we get a palindrome (7174884717).

The spelling of 2134440405 in words is "two billion, one hundred thirty-four million, four hundred forty thousand, four hundred five".