5315221540 has 48 divisors (see below), whose sum is σ = 11457718272. Its totient is φ = 2070217856.

The previous prime is 5315221517. The next prime is 5315221577. The reversal of 5315221540 is 451225135.

It is a junction number, because it is equal to n+sod(n) for n = 5315221499 and 5315221508.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 170829 + ... + 199531.

It is an arithmetic number, because the mean of its divisors is an integer number (238702464).

Almost surely, 2^5315221540 is an apocalyptic number.

It is an amenable number.

5315221540 is an abundant number, since it is smaller than the sum of its proper divisors (6142496732).

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

5315221540 is a wasteful number, since it uses less digits than its factorization.

5315221540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956 (or 28954 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5315221540 is about 72905.5659054917. The cubic root of 5315221540 is about 1745.1809228317.

Adding to 5315221540 its reverse (451225135), we get a palindrome (5766446675).

The spelling of 5315221540 in words is "five billion, three hundred fifteen million, two hundred twenty-one thousand, five hundred forty".