5322631644 has 72 divisors (see below), whose sum is σ = 15035595120. Its totient is φ = 1573574400.

The previous prime is 5322631631. The next prime is 5322631649. The reversal of 5322631644 is 4461362235.

5322631644 is a `hidden beast` number, since 5 + 3 + 2 + 2 + 6 + 3 + 1 + 644 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5322631599 and 5322631608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5322631649) by changing a digit.

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, 147679 + ... + 180150.

It is an arithmetic number, because the mean of its divisors is an integer number (208827710).

Almost surely, 2^5322631644 is an apocalyptic number.

It is an amenable number.

5322631644 is an abundant number, since it is smaller than the sum of its proper divisors (9712963476).

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

5322631644 is a wasteful number, since it uses less digits than its factorization.

5322631644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327891 (or 327886 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 5322631644 is about 72956.3680839445. The cubic root of 5322631644 is about 1745.9915486339.

Adding to 5322631644 its reverse (4461362235), we get a palindrome (9783993879).

The spelling of 5322631644 in words is "five billion, three hundred twenty-two million, six hundred thirty-one thousand, six hundred forty-four".