5312644436 has 48 divisors (see below), whose sum is σ = 10371352320. Its totient is φ = 2360440320.

The previous prime is 5312644429. The next prime is 5312644501. The reversal of 5312644436 is 6344462135.

It is a self number, because there is not a number n which added to its sum of digits gives 5312644436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2664656 + ... + 2666648.

It is an arithmetic number, because the mean of its divisors is an integer number (216069840).

Almost surely, 2^5312644436 is an apocalyptic number.

It is an amenable number.

5312644436 is a deficient number, since it is larger than the sum of its proper divisors (5058707884).

5312644436 is a wasteful number, since it uses less digits than its factorization.

5312644436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3342 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 5312644436 is about 72887.8895016175. The cubic root of 5312644436 is about 1744.8988248497.

The spelling of 5312644436 in words is "five billion, three hundred twelve million, six hundred forty-four thousand, four hundred thirty-six".