524428255460660 has 24 divisors (see below), whose sum is σ = 1101345009911496. Its totient is φ = 209762602480640.

The previous prime is 524428255460623. The next prime is 524428255460663. The reversal of 524428255460660 is 66064552824425.

It can be written as a sum of positive squares in 4 ways, for example, as 147198478321444 + 377229777139216 = 12132538^2 + 19422404^2 .

It is a super-2 number, since 2×524428255460660² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 524428255460660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524428255460663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543237161 + ... + 544201680.

It is an arithmetic number, because the mean of its divisors is an integer number (45889375412979).

Almost surely, 2^{524428255460660} is an apocalyptic number.

It is an amenable number.

524428255460660 is an abundant number, since it is smaller than the sum of its proper divisors (576916754450836).

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

524428255460660 is a wasteful number, since it uses less digits than its factorization.

524428255460660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087462963 (or 1087462961 counting only the distinct ones).

The product of its (nonzero) digits is 110592000, while the sum is 59.

The spelling of 524428255460660 in words is "five hundred twenty-four trillion, four hundred twenty-eight billion, two hundred fifty-five million, four hundred sixty thousand, six hundred sixty".