2644600002 has 64 divisors (see below), whose sum is σ = 6148773504. Its totient is φ = 749399040.

The previous prime is 2644599973. The next prime is 2644600009. The reversal of 2644600002 is 2000064462.

It is not an unprimeable number, because it can be changed into a prime (2644600009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168648 + ... + 183660.

It is an arithmetic number, because the mean of its divisors is an integer number (96074586).

Almost surely, 2^2644600002 is an apocalyptic number.

2644600002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644600002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074386752).

2644600002 is an abundant number, since it is smaller than the sum of its proper divisors (3504173502).

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

2644600002 is a wasteful number, since it uses less digits than its factorization.

2644600002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15203.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2644600002 is about 51425.6745410306. The cubic root of 2644600002 is about 1382.8869065027.

Adding to 2644600002 its reverse (2000064462), we get a palindrome (4644664464).

The spelling of 2644600002 in words is "two billion, six hundred forty-four million, six hundred thousand, two".