42556364548 has 12 divisors (see below), whose sum is σ = 75132697500. Its totient is φ = 21089879552.

The previous prime is 42556364471. The next prime is 42556364549. The reversal of 42556364548 is 84546365524.

It can be written as a sum of positive squares in 2 ways, for example, as 1526621184 + 41029743364 = 39072^2 + 202558^2 .

It is a super-2 number, since 2×42556364548² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42556364495 and 42556364504.

It is not an unprimeable number, because it can be changed into a prime (42556364549) 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, 47075173 + ... + 47076076.

It is an arithmetic number, because the mean of its divisors is an integer number (6261058125).

Almost surely, 2^42556364548 is an apocalyptic number.

It is an amenable number.

42556364548 is a deficient number, since it is larger than the sum of its proper divisors (32576332952).

42556364548 is a wasteful number, since it uses less digits than its factorization.

42556364548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94151366 (or 94151364 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 52.

The spelling of 42556364548 in words is "forty-two billion, five hundred fifty-six million, three hundred sixty-four thousand, five hundred forty-eight".