534050440515221 has 32 divisors (see below), whose sum is σ = 674415079838208. Its totient is φ = 412055135078400.

The previous prime is 534050440515181. The next prime is 534050440515227. The reversal of 534050440515221 is 122515044050435.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534050440515221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534050440515227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15475571 + ... + 36160671.

It is an arithmetic number, because the mean of its divisors is an integer number (21075471244944).

Almost surely, 2^{534050440515221} is an apocalyptic number.

It is an amenable number.

534050440515221 is a deficient number, since it is larger than the sum of its proper divisors (140364639322987).

534050440515221 is a wasteful number, since it uses less digits than its factorization.

534050440515221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694581.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 534050440515221 its reverse (122515044050435), we get a palindrome (656565484565656).

The spelling of 534050440515221 in words is "five hundred thirty-four trillion, fifty billion, four hundred forty million, five hundred fifteen thousand, two hundred twenty-one".