2644089744 has 20 divisors (see below), whose sum is σ = 6830565296. Its totient is φ = 881363232.

The previous prime is 2644089739. The next prime is 2644089757. The reversal of 2644089744 is 4479804462.

2644089744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 55085203 = 2644089744 / (2 + 6 + 4 + 4 + 0 + 8 + 9 + 7 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 2644089693 and 2644089702.

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, 27542554 + ... + 27542649.

Almost surely, 2^2644089744 is an apocalyptic number.

2644089744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2644089744 is an abundant number, since it is smaller than the sum of its proper divisors (4186475552).

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

2644089744 is a wasteful number, since it uses less digits than its factorization.

2644089744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55085214 (or 55085208 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The square root of 2644089744 is about 51420.7131805851. The cubic root of 2644089744 is about 1382.7979611683.

The spelling of 2644089744 in words is "two billion, six hundred forty-four million, eighty-nine thousand, seven hundred forty-four".