5340331220521 has 16 divisors (see below), whose sum is σ = 5867017344000. Its totient is φ = 4820611395600.

The previous prime is 5340331220513. The next prime is 5340331220561. The reversal of 5340331220521 is 1250221330435.

It is not a de Polignac number, because 5340331220521 - 2³ = 5340331220513 is a prime.

It is a super-2 number, since 2×5340331220521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5340331220561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409541 + ... + 3559138.

It is an arithmetic number, because the mean of its divisors is an integer number (366688584000).

Almost surely, 2^{5340331220521} is an apocalyptic number.

It is an amenable number.

5340331220521 is a deficient number, since it is larger than the sum of its proper divisors (526686123479).

5340331220521 is a wasteful number, since it uses less digits than its factorization.

5340331220521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969380.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 5340331220521 its reverse (1250221330435), we get a palindrome (6590552550956).

The spelling of 5340331220521 in words is "five trillion, three hundred forty billion, three hundred thirty-one million, two hundred twenty thousand, five hundred twenty-one".