2152040344 has 8 divisors (see below), whose sum is σ = 4035075660. Its totient is φ = 1076020168.

The previous prime is 2152040321. The next prime is 2152040419. The reversal of 2152040344 is 4430402512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 134502514 + ... + 134502529.

Almost surely, 2^2152040344 is an apocalyptic number.

It is an amenable number.

2152040344 is a deficient number, since it is larger than the sum of its proper divisors (1883035316).

2152040344 is a wasteful number, since it uses less digits than its factorization.

2152040344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269005049 (or 269005045 counting only the distinct ones).

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

The square root of 2152040344 is about 46390.0888552717. The cubic root of 2152040344 is about 1291.0710300810.

Adding to 2152040344 its reverse (4430402512), we get a palindrome (6582442856).

The spelling of 2152040344 in words is "two billion, one hundred fifty-two million, forty thousand, three hundred forty-four".