2396664840 has 128 divisors (see below), whose sum is σ = 7455369600. Its totient is φ = 615905280.

The previous prime is 2396664833. The next prime is 2396664841. The reversal of 2396664840 is 484666932.

It is a self number, because there is not a number n which added to its sum of digits gives 2396664840.

It is not an unprimeable number, because it can be changed into a prime (2396664841) 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 31 ways as a sum of consecutive naturals, for example, 405426 + ... + 411294.

It is an arithmetic number, because the mean of its divisors is an integer number (58245075).

Almost surely, 2^2396664840 is an apocalyptic number.

2396664840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2396664840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727684800).

2396664840 is an abundant number, since it is smaller than the sum of its proper divisors (5058704760).

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

2396664840 is a wasteful number, since it uses less digits than its factorization.

2396664840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007 (or 6003 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 2396664840 is about 48955.7436875389. The cubic root of 2396664840 is about 1338.2454276629.

The spelling of 2396664840 in words is "two billion, three hundred ninety-six million, six hundred sixty-four thousand, eight hundred forty".