2152640336 has 60 divisors (see below), whose sum is σ = 5239310496. Its totient is φ = 838685760.

The previous prime is 2152640327. The next prime is 2152640377. The reversal of 2152640336 is 6330462512.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 65870 + ... + 92973.

Almost surely, 2^2152640336 is an apocalyptic number.

It is an amenable number.

2152640336 is an abundant number, since it is smaller than the sum of its proper divisors (3086670160).

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

2152640336 is a wasteful number, since it uses less digits than its factorization.

2152640336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158880 (or 158863 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2152640336 is about 46396.5552169555. Note that the first 3 decimals coincide. The cubic root of 2152640336 is about 1291.1910030969.

The spelling of 2152640336 in words is "two billion, one hundred fifty-two million, six hundred forty thousand, three hundred thirty-six".