5310640007644 has 24 divisors (see below), whose sum is σ = 9411814496000. Its totient is φ = 2621554107120.

The previous prime is 5310640007593. The next prime is 5310640007657. The reversal of 5310640007644 is 4467000460135.

It is a junction number, because it is equal to n+sod(n) for n = 5310640007597 and 5310640007606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4980739 + ... + 5952229.

Almost surely, 2^{5310640007644} is an apocalyptic number.

It is an amenable number.

5310640007644 is a deficient number, since it is larger than the sum of its proper divisors (4101174488356).

5310640007644 is a wasteful number, since it uses less digits than its factorization.

5310640007644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988873 (or 988871 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 5310640007644 its reverse (4467000460135), we get a palindrome (9777640467779).

The spelling of 5310640007644 in words is "five trillion, three hundred ten billion, six hundred forty million, seven thousand, six hundred forty-four".