5312446540 has 48 divisors (see below), whose sum is σ = 11308792320. Its totient is φ = 2095985600.

The previous prime is 5312446511. The next prime is 5312446543. The reversal of 5312446540 is 456442135.

It is a junction number, because it is equal to n+sod(n) for n = 5312446496 and 5312446505.

It is not an unprimeable number, because it can be changed into a prime (5312446543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191315 + ... + 1195765.

It is an arithmetic number, because the mean of its divisors is an integer number (235599840).

Almost surely, 2^5312446540 is an apocalyptic number.

It is an amenable number.

5312446540 is an abundant number, since it is smaller than the sum of its proper divisors (5996345780).

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

5312446540 is a wasteful number, since it uses less digits than its factorization.

5312446540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 5312446540 is about 72886.5319520692. The cubic root of 5312446540 is about 1744.8771587541.

Adding to 5312446540 its reverse (456442135), we get a palindrome (5768888675).

The spelling of 5312446540 in words is "five billion, three hundred twelve million, four hundred forty-six thousand, five hundred forty".