2644142304 has 24 divisors (see below), whose sum is σ = 6940873800. Its totient is φ = 881380736.

The previous prime is 2644142231. The next prime is 2644142321. The reversal of 2644142304 is 4032414462.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13771479 + ... + 13771670.

It is an arithmetic number, because the mean of its divisors is an integer number (289203075).

Almost surely, 2^2644142304 is an apocalyptic number.

2644142304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2644142304 is an abundant number, since it is smaller than the sum of its proper divisors (4296731496).

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

2644142304 is a wasteful number, since it uses less digits than its factorization.

2644142304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27543162 (or 27543154 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2644142304 is about 51421.2242561377. The cubic root of 2644142304 is about 1382.8071236636.

Adding to 2644142304 its reverse (4032414462), we get a palindrome (6676556766).

The spelling of 2644142304 in words is "two billion, six hundred forty-four million, one hundred forty-two thousand, three hundred four".