506215341667540 has 12 divisors (see below), whose sum is σ = 1063052217501876. Its totient is φ = 202486136667008.

The previous prime is 506215341667513. The next prime is 506215341667547. The reversal of 506215341667540 is 45766143512605.

It can be written as a sum of positive squares in 2 ways, for example, as 338355643646916 + 167859698020624 = 18394446^2 + 12956068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506215341667547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12655383541669 + ... + 12655383541708.

It is an arithmetic number, because the mean of its divisors is an integer number (88587684791823).

Almost surely, 2^{506215341667540} is an apocalyptic number.

It is an amenable number.

506215341667540 is an abundant number, since it is smaller than the sum of its proper divisors (556836875834336).

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

506215341667540 is a wasteful number, since it uses less digits than its factorization.

506215341667540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25310767083386 (or 25310767083384 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 506215341667540 in words is "five hundred six trillion, two hundred fifteen billion, three hundred forty-one million, six hundred sixty-seven thousand, five hundred forty".