542564415660452 has 6 divisors (see below), whose sum is σ = 949487727405798. Its totient is φ = 271282207830224.

The previous prime is 542564415660403. The next prime is 542564415660497. The reversal of 542564415660452 is 254066514465245.

It can be written as a sum of positive squares in only one way, i.e., 522122225800036 + 20442189860416 = 22849994^2 + 4521304^2 .

It is a super-2 number, since 2×542564415660452² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542564415660391 and 542564415660400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67820551957553 + ... + 67820551957560.

It is an arithmetic number, because the mean of its divisors is an integer number (158247954567633).

Almost surely, 2^{542564415660452} is an apocalyptic number.

It is an amenable number.

542564415660452 is a deficient number, since it is larger than the sum of its proper divisors (406923311745346).

542564415660452 is a wasteful number, since it uses less digits than its factorization.

542564415660452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135641103915117 (or 135641103915115 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 59.

The spelling of 542564415660452 in words is "five hundred forty-two trillion, five hundred sixty-four billion, four hundred fifteen million, six hundred sixty thousand, four hundred fifty-two".