2644416324 has 72 divisors (see below), whose sum is σ = 7312136832. Its totient is φ = 799145280.

The previous prime is 2644416311. The next prime is 2644416361. The reversal of 2644416324 is 4236144462.

2644416324 is a `hidden beast` number, since 2 + 644 + 4 + 1 + 6 + 3 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138757 + ... + 156659.

It is an arithmetic number, because the mean of its divisors is an integer number (101557456).

Almost surely, 2^2644416324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644416324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656068416).

2644416324 is an abundant number, since it is smaller than the sum of its proper divisors (4667720508).

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

2644416324 is a wasteful number, since it uses less digits than its factorization.

2644416324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297 (or 18292 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 2644416324 is about 51423.8886510929. Note that the first 3 decimals coincide. The cubic root of 2644416324 is about 1382.8548900942.

The spelling of 2644416324 in words is "two billion, six hundred forty-four million, four hundred sixteen thousand, three hundred twenty-four".