42044415543 has 24 divisors (see below), whose sum is σ = 65409450288. Its totient is φ = 25870707072.

The previous prime is 42044415533. The next prime is 42044415577. The reversal of 42044415543 is 34551444024.

42044415543 is a `hidden beast` number, since 4 + 20 + 44 + 41 + 554 + 3 = 666.

It is not a de Polignac number, because 42044415543 - 2¹³ = 42044407351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42044415498 and 42044415507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044415533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1821571 + ... + 1844507.

It is an arithmetic number, because the mean of its divisors is an integer number (2725393762).

Almost surely, 2^42044415543 is an apocalyptic number.

42044415543 is a deficient number, since it is larger than the sum of its proper divisors (23365034745).

42044415543 is a wasteful number, since it uses less digits than its factorization.

42044415543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38623 (or 38620 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 42044415543 its reverse (34551444024), we get a palindrome (76595859567).

The spelling of 42044415543 in words is "forty-two billion, forty-four million, four hundred fifteen thousand, five hundred forty-three".