5736280644 has 72 divisors (see below), whose sum is σ = 15255298968. Its totient is φ = 1815022080.

The previous prime is 5736280621. The next prime is 5736280663. The reversal of 5736280644 is 4460826375.

It can be written as a sum of positive squares in 4 ways, for example, as 2762244 + 5733518400 = 1662^2 + 75720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5736280644.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2094 + ... + 107130.

Almost surely, 2^5736280644 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 5736280644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627649484).

5736280644 is an abundant number, since it is smaller than the sum of its proper divisors (9519018324).

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

5736280644 is a wasteful number, since it uses less digits than its factorization.

5736280644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105125 (or 105120 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 5736280644 is about 75738.2376610388. The cubic root of 5736280644 is about 1790.0979570416.

The spelling of 5736280644 in words is "five billion, seven hundred thirty-six million, two hundred eighty thousand, six hundred forty-four".