4642585571556 has 27 divisors (see below), whose sum is σ = 11735457318403. Its totient is φ = 1547524214520.

The previous prime is 4642585571543. The next prime is 4642585571563. The reversal of 4642585571556 is 6551755852464.

The square root of 4642585571556 is 2154666.

It is a perfect power (a square), and thus also a powerful number.

4642585571556 is a `hidden beast` number, since 4 + 6 + 4 + 2 + 5 + 8 + 5 + 5 + 71 + 556 = 666.

It is a super-2 number, since 2×4642585571556² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4642585571493 and 4642585571502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12748441 + ... + 13107551.

Almost surely, 2^{4642585571556} is an apocalyptic number.

4642585571556 is the 2154666-th square number.

It is an amenable number.

4642585571556 is an abundant number, since it is smaller than the sum of its proper divisors (7092871746847).

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

4642585571556 is an frugal number, since it uses more digits than its factorization.

4642585571556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718232 (or 359116 counting only the distinct ones).

The product of its digits is 201600000, while the sum is 63.

The spelling of 4642585571556 in words is "four trillion, six hundred forty-two billion, five hundred eighty-five million, five hundred seventy-one thousand, five hundred fifty-six".